Section 1 - Skills Preview Your Equipment Partial Mask Clearing Ascents BCD Operation Underwater Swimming Breathing Habits Air Supply Regulator Clearing Alternate Air Source Regulator Recovery Hand Signals Return to Section Menu Next Slide Section 1 – Skills Preview Overview

Skills Preview – Your Equipment What are you going to learn? You will learn to don and adjust your mask, fins, snorkel, BCD, scuba and weight system. Why learn this skill? Saves time Adjust for comfort Become familiar with equipment Things to remember: Don equipment in the right order Adjust all straps for fit and comfort Return to Skills Menu Next Slide Previous Slide Play Video Section 1-1 Confined Water Dive Skills Preview

Skills Preview – BCD Operation What are you going to learn? You will learn to inflate and deflate your BCD at the surface using the low pressure inflator. Why learn this skill? To remain upright to rest, talk, listen or adjust equipment Provides surface support Deflating your BCD allows you to descend below the surface Things to remember: Use short bursts of air for control Pause between bursts to allow for expansion Depress exhaust value in a vertical, head-up position Return to Skills Menu Next Slide Previous Slide Play Video Section 1-2 Confined Water Dive Skills Preview

Skills Preview – Breathing Habits What are you going to learn? You will learn to demonstrate proper compressed-air breathing habits while you are in shallow water. You will learn to breathe naturally and not hold your breath. Why learn this skill? Allows you to breathe underwater safely Things to remember: Breathe continuously and don’t hold your breath Trust your equipment Relax and enjoy the experience Return to Skills Menu Next Slide Previous Slide Play Video Section 1-3 Confined Water Dive Skills Preview

Skills Preview – Regulator Clearing What are you going to learn? You will learn to clear your regulator while underwater using both the exhalation and purge-button methods and resume breathing from it. Why learn this skill? If the regulator comes out of your mouth, i.e., during snorkel/regulator exchange, you will have to clear the mouth piece of water before you can continue to breathe from it. Things to remember: Never hold your breath - exhale a steady stream of bubbles Return to Skills Menu Next Slide Previous Slide Play Video Section 1-4 Confined Water Dive Skills Preview

Skills Preview – Regulator Recovery What are you going to learn? In shallow water, you will learn to recover your regulator hose from behind your shoulder while underwater. Why learn this skill? If you let go of your regulator or if it gets bumped it tends to swing behind your back Things to remember: Blow bubbles while the regulator is out of your mouth Sweep with your right arm while leaning to the right Reach with right arm; lift tank with left hand Return to Skills Menu Next Slide Previous Slide Play Video Section 1-5 Confined Water Dive Skills Preview

Skills Preview – Partial Mask Clearing What are you going to learn? In shallow water, you will learn to clear a partially flooded mask while underwater. Why learn this skill? Avoid having to go to the surface Things to remember: Apply pressure to your mask Blow out through your nose Tilt your head back; or look down with a purge valve Airway control Return to Skills Menu Next Slide Previous Slide Play Video Section 1-6 Confined Water Dive Skills Preview

Skills Preview – Underwater Swimming What are you going to learn? You will learn to swim underwater with your scuba equipment while maintaining control of both your direction and your depth. You will learn to properly equalize your ears and mask to accommodate depth changes. Why learn this skill? Allows you to move effortlessly; conserves your air Prevents harming delicate aquatic organisms Prevents feeling discomfort in your air spaces Things to remember: Streamline yourself and your equipment Equalize early and often Return to Skills Menu Next Slide Previous Slide Play Video Section 1-7 Confined Water Dive Skills Preview

Skills Preview – Air Supply What are you going to learn? While underwater, you will learn to locate and read your submersible pressure gauge. Signal whether your air supply is adequate or low based on your gauge’s caution zone. Why learn this skill? Avoid low-on-air situations Air supply determines your dive profile Things to remember: Get into a habit of monitoring your air supply Return to Skills Menu Next Slide Previous Slide Play Video Section 1-8 Confined Water Dive Skills Preview

Skills Preview – Alternate Air Source What are you going to learn? In shallow water, you will learn to breathe underwater for at least 30 seconds from an alternate air source supplied by another diver. Why learn this skill? You can safely respond to an out-of-air emergency Things to remember: Check location and operation of alternate air source Never hold your breath - exhale a steady stream of bubbles Orientate the mouth piece correctly Return to Skills Menu Next Slide Previous Slide Play Video Section 1-9 Confined Water Dive Skills Preview

Skills Preview – Hand Signals What are you going to learn? You will learn to recognize and you will demonstrate standard hand signals underwater. Why learn this skill? Since you are not able to talk easily underwater, hand signals are the preferred method to communicating. Things to remember: The three B’s – Big, Bold, and Brief Return to Skills Menu Next Slide Previous Slide Section 1-10 Confined Water Dive Skills Preview

Skills Preview – Ascents What are you going to learn? You will learn and demonstrate the techniques for a proper ascent. Why learn this skill? Recheck your dive profile Stay close to your buddy Things to remember: Slowly Ascend From Every Dive Return to Skills Menu Next Section Previous Slide Play Video Section 1-11 Confined Water Dive Skills Preview

Section 2 - Skills Preview Safety Check Descents Proper Weighting Deep Water Entry Mask Removal Out-Of-Air Signal Snorkel Clearing No Mask Breathing Ascents Snorkel/Regulator Exchange Leaking Inflator Surface Weight Removal Snorkel Swimming BCD Operation Deep Water Exit Return to Section Menu Next Slide Previous Slide Section 2 – Skills Preview Overview

Skills Preview – Safety Check What are you going to learn? You will learn to perform a predive safety check. Why learn this skill? Familiarizes you and your buddy with each other’s gear Things to remember: BCD Weights Releases Air Final Ok Return to Skills Menu Next Slide Previous Slide Play Video Section 2-1 Confined Water Dive Skills Preview

Skills Preview - Deep Water Entry What are you going to learn? You will learn and demonstrate appropriate deep-water entry(s). Why learn this skill? To enter the water using the safest and easiest method Things to remember: Check the area to make sure it’s clear to enter Put a little air in your BCD to keep you at the surface Secure your regulator and mask Signal you are Ok and clear the area for others to enter Return to Skills Menu Next Slide Previous Slide Play Video Section 2-2 Confined Water Dive Skills Preview

Skills Preview – Snorkel Clearing What are you going to learn? You will learn and demonstrate clearing your snorkel of water by using the blast method and resume breathing through it without lifting your face from the water. Why learn this skill? Saves tank air when you’re on the surface Things to remember: Exhale sharply and forcefully Take your first breath cautiously Breathe past remaining water by breathing in slowly Return to Skills Menu Next Slide Previous Slide Play Video Section 2-3 Confined Water Dive Skills Preview

Skills Preview – Snorkel/Regulator Exchange What are you going to learn? You will learn and demonstrate exchanging your snorkel for your regulator and your regulator for your snorkel repeatedly while at the surface without lifting your face from the water. Why learn this skill? Conserves your tank air while at the surface Things to remember: Take a breath before exchange Exhale sharply and forcefully in snorkel May purge regulator clear Return to Skills Menu Next Slide Previous Slide Play Video Section 2-4 Confined Water Dive Skills Preview

Skills Preview – Snorkel Swim What are you going to learn? You will swim a distance of at least 50 metres/yards at the surface, while wearing scuba and breathing through your snorkel. Why learn this skill? Snorkel swimming saves your tank air for your dive Things to remember: Keep your arms at your side Look ahead Keep your fins underwater to conserve energy Relax Return to Skills Menu Next Slide Previous Slide Play Video Section 2-5 Confined Water Dive Skills Preview

Skills Preview – Descents What are you going to learn? You will learn and demonstrate a descent using the appropriate five step method. Why learn this skill? Start your dive quickly, safely and in the intended direction Things to remember: The five steps Stay in a vertical head-up position Look down below to avoid harming aquatic organisms Equalize air spaces early and often Return to Skills Menu Next Slide Previous Slide Play Video Section 2-6 Confined Water Dive Skills Preview

Skills Preview – Mask Removal What are you going to learn? You will learn to completely remove, replace and clear your mask of water while underwater. Why learn this skill? To adjust your mask without having to surface In case your mask was knocked from your face Things to remember: Orientate the mask with nose pocket down Keep hair/hood from under the mask seal Air way control Return to Skills Menu Next Slide Previous Slide Play Video Section 2-7 Confined Water Dive Skills Preview

Skills Preview – No Mask Breathing What are you going to learn? You will learn to breathe underwater for not less than one minute while not wearing your mask. Why learn this skill? It doesn’t happen often but you could lose your mask so it’s comforting to know you can breathe underwater without it. Things to remember: Air way control Practice for one minute - reach the surface safely on a typical dive Return to Skills Menu Next Slide Previous Slide Play Video Section 2-8 Confined Water Dive Skills Preview

Skills Preview – Leaking Inflator What are you going to learn? You will learn and demonstrate the response to a leaking low pressure inflator by disconnecting the low pressure hose from your inflator mechanism in shallow water (either underwater or at the surface). Why learn this skill? To prevent a run away ascent Things to remember: Simulate a sticking BCD or dry suit inflator - hold the inflator button in while disconnecting the inflator hose Return to Skills Menu Next Slide Previous Slide Play Video Section 2-9 Confined Water Dive Skills Preview

Skills Preview – BCD Operation What are you going to learn? At the surface in water too deep to stand in, you will learn to orally inflate your BCD to at least half full and then fully deflate it. Why learn this skill? If you had to disconnect your BCD inflator hose or if you have no air remaining in your tank you would have to orally inflate your BCD to safely remain on the surface. Things to remember: Push the deflate button in while you are blowing air into the BCD Conserve energy by allowing your face to go underwater while you are blowing into your BCD Return to Skills Menu Next Slide Previous Slide Play Video Section 2-10 Confined Water Dive Skills Preview

Skills Preview – Proper Weighting What are you going to learn? You will learn to adjust for proper weighting, which is defined as floating at eye level at the surface with an empty BCD and while you are holding a normal breath. Why learn this skill? To help maintain neutral buoyancy easily Things to remember: Start with your best guess for your weight Keep your regulator in your mouth Add weight to compensate for the weight of the air you’ll breathe from your tank while on your dive Return to Skills Menu Next Slide Previous Slide Play Video Section 2-11 Confined Water Dive Skills Preview

Skills Preview – Out-of-Air Signal What are you going to learn? You will learn to respond to air depletion by giving the out-of-air signal in water too deep to stand up in. Why learn this skill? Know what it feels like Have as much warning as possible to respond Things to remember: Watch your SPG closely to prevent ever running out of air Make your hand signals big and bold Return to Skills Menu Next Slide Previous Slide Play Video Section 2-12 Confined Water Dive Skills Preview

Skills Preview – Ascents What are you going to learn? You will learn and demonstrate an ascent using the appropriate five step method. Why learn this skill? Maintain buddy contact You can re-check your dive profile Reminds you to look around while ascending Things to remember: Ascend no faster than 18 metres/60 feet per minute Breathe normally When you reach the surface inflate your BCD Return to Skills Menu Next Slide Previous Slide Play Video Section 2-13 Confined Water Dive Skills Preview

Skills Preview – Surface Weight Removal What are you going to learn? You will learn to remove weights at the surface with minimal assistance using your weight system’s quick release mechanism. Why learn this skill? In an emergency at the surface To adjust your gear or untangle belt Entering small boats without a ladder Things to remember: Quick release – most important feature With weight release your center of buoyancy changes With weight belt – hold free end Return to Skills Menu Next Slide Previous Slide Play Video Section 2-14 Confined Water Dive Skills Preview

Skills Preview – Deep Water Exit What are you going to learn? In water too deep to stand up in, you’ll learn to remove the weights, scuba unit and fins (if necessary), then exit using the most appropriate means. (Buddy assistance may be provided.) Why learn this skill? Remove equipment to exit - diving from a small boat Things to remember: Weight system comes off first Inflate your BCD to support scuba system on the surface Return to Skills Menu Next Section Previous Slide Play Video Section 2-15 Confined Water Dive Skills Preview

Section 3 - Skills Preview Fin Pivot Free-Flow Regulator Swimming Underwater Emergency Swimming Ascent Cramp Removal Tired Diver Tow Alternate Air Source Return to Section Menu Next Slide Previous Slide Section 3 – Skills Preview Overview

Skills Preview – Fin Pivot What are you going to learn? You will independently establish neutral buoyancy underwater by pivoting on your fin tips, or, when appropriate, another point of contact (both oral and low-pressure inflation). Why learn this skill? Allows you to dive relaxed To maneuver easily Look at aquatic organisms without harming them Things to remember: Use short blasts of air or one breath at a time Pause between additions to allow for expansion Blow bubbles when the second stage is out of your mouth Return to Skills Menu Next Slide Previous Slide Play Video Section 3-1 Confined Water Dive Skills Preview

Skills Preview – Swimming Underwater What are you going to learn? You will swim at least 10 metres/yards underwater while maintaining neutral buoyancy. Why learn this skill? To practice adjusting your buoyancy as you change depth Comes in handy when swimming over a sensitive reef Things to remember: After you are neutral add air when you descend and release air when you ascend Add and release air in short durations Return to Skills Menu Next Slide Previous Slide Play Video Section 3-2 Confined Water Dive Skills Preview

Skills Preview – Cramp Removal What are you going to learn? You will learn and demonstrate the cramp removal technique. Why learn this skill? You can remove a cramp underwater or on the surface To carry on with your activity Things to remember: Stop and rest Stretch and massage your leg Allow your buddy to help you Resume your activity at a reduced pace Return to Skills Menu Next Slide Previous Slide Play Video Section 3-3 Confined Water Dive Skills Preview

Skills Preview – Tired Diver Tow What are you going to learn? At the surface in water too deep to stand up in, you will learn and perform a tired diver tow for 25 metres/yards. Why learn this skill? You can assist your buddy to safety Things to remember: Both divers need to be positively buoyant You can push or tow your buddy Talk to your buddy and get them to help you push or tow to safety Return to Skills Menu Next Slide Previous Slide Play Video Section 3-4 Confined Water Dive Skills Preview

Skills Preview – Alternate Air Source What are you going to learn? You will learn to respond to air depletion by signaling out of air, then securing and breathing from an alternate air source supplied by your buddy for at least one minute while swimming underwater. Why learn this skill? To respond to an out-of-air situation and swim to the surface safely and effectively Things to remember: When you switch back to your own regulator check your SPG to make sure your tank air is available to you. Return to Skills Menu Next Slide Previous Slide Play Video Section 3-5 Confined Water Dive Skills Preview

Skills Preview – Free-Flow Regulator What are you going to learn? You will learn to breathe effectively from a free-flowing regulator for not less than 30 seconds. Why learn this skill? Allow you to make a safe ascent to the surface Things to remember: Push the purge button to simulate a free-flow Don’t seal your mouth around the mouth piece Check your SPG to see how much air you used during the exercise Return to Skills Menu Next Slide Previous Slide Play Video Section 3-6 Confined Water Dive Skills Preview

Skills Preview – Emergency Swimming Ascent What are you going to learn? You will learn and demonstrate a simulated controlled emergency swimming ascent by swimming horizontally underwater for a least 9 metres/30 feet while continuously exhaling by emitting a continuous aaahhh sound. Why learn this skill? You will be able to reach the surface safely Things to remember: Look and reach ahead Keep all your equipment in place Swim while saying the aaahhh sound Return to Skills Menu Next Section Previous Slide Play Video Section 3-7 Confined Water Dive Skills Preview

Section 4 - Skills Preview Hyperventilation Buddy Breathing Surface Dive Snorkel Ascents No Mask Breathing Hovering Return to Section Menu Next Slide Previous Slide Section 4 – Skills Preview Overview

Skills Preview – Hyperventilation What are you going to learn? You will learn and demonstrate proper hyperventilation when skin diving. Why learn this skill? Hyperventilation reduces the carbon dioxide in your system as since it’s carbon dioxide that stimulates you to breath you can stay down longer before you feel the urge to breathe. Things to remember: Don’t hyperventilate excessively Take only 3 or 4 rapid breaths Rest a minute or so between dives Return to Skills Menu Next Slide Previous Slide Play Video Section 4-1 Confined Water Dive Skills Preview

Skills Preview – Surface Dive What are you going to learn? You will learn and demonstrate a vertical dive from the surface in water too deep to stand up in (without excessive splashing or arm movement). Why learn this skill? To descend with minimal effort Things to remember: Hyperventilate for 3 or 4 breaths Pike your torso, snap your legs and let your body weight drive you down Your buddy stays on the surface ready to offer assistance Return to Skills Menu Next Slide Previous Slide Play Video Section 4-2 Confined Water Dive Skills Preview

Skills Preview – Snorkel Ascents What are you going to learn? You will learn to clear and breathe from a snorkel upon ascent. Why learn this skill? Displacement clearing - is an easy way to clear your snorkel Things to remember: Make sure the snorkel tip is lower than the mouthpiece Begin to exhale into the snorkel a metre/few feet before reaching the surface Take your first breath cautiously Return to Skills Menu Next Slide Previous Slide Play Video Section 4-3 Confined Water Dive Skills Preview

Skills Preview – No Mask Swimming What are you going to learn? You will swim underwater without your mask for a distance of not less than 15 metres/50 feet, and replace and clear your mask underwater. Why learn this skill? If you were to lose your mask underwater you will have to swim without it to reach the surface safely. Things to remember: Air way control Open your eyes; you’ll see well enough to swim If you’re wearing contacts let your buddy guide you Return to Skills Menu Next Slide Previous Slide Play Video Section 4-4 Confined Water Dive Skills Preview

Skills Preview – Hovering What are you going to learn? Using buoyancy control only, you will learn to hover without kicking or sculling for at least 30 seconds. Why learn this skill? To investigate reefs without harming sensitive aquatic organisms Makes diving relaxing and more enjoyable Things to remember: Breathe always, never hold your breath Use lung volume to maintain your depth Return to Skills Menu Next Slide Previous Slide Play Video Section 4-5 Confined Water Dive Skills Preview

Skills Preview – Buddy Breath What are you going to learn? You will learn to buddy breathe sharing a single air source for a distance of at least 15 metres/50 feet underwater both as a donor and a receiver (optional skill). Why learn this skill? It’s not likely but if you or your buddy were to run-out-air and could not locate an alternate air source you could buddy breathe and make a safe ascent to the surface. Things to remember: Review emergency procedures before the dive. Blow bubbles when ever the second stage is out of your mouth. Take two breaths only and pass the regulator. Maintain a firm hold of your buddy and the regulator second stage. Return to Skills Menu Next Section Previous Slide Section 4-6 Confined Water Dive Skills Preview

Section 5 - Skills Preview Equipment Removal Scuba Unit Removal U/W Weight Removal Underwater Return to Section Menu Next Slide Previous Slide Section 5 – Skills Preview Overview

Skills Preview – Equipment Removal What are you going to learn? You will learn to remove, replace, adjust and secure the scuba unit and weights at the surface, with minimal assistance, in water too deep to stand up in. Why learn this skill? You may need to remove, replace or adjust your equipment in the water when diving from a small boat without a ladder. Things to remember: The weight system is the last item to put on and the first item to remove. Check for twists, misadjusted weights and secure the buckle of your weight belt. If you remove and replace your BCD and weight system together in a weight integrated BCD - remember to make your system buoyant at the surface. Keep a regulator or snorkel in your mouth. Return to Skills Menu Next Slide Previous Slide Play Video Section 5-1 Confined Water Dive Skills Preview

Skills Preview – Scuba Unit Removal Underwater What are you going to learn? You will remove, replace, adjust and secure the scuba unit on the bottom, with minimal assistance, in water too deep to stand up in. Why learn this skill? To adjust your scuba unit or clear it from entanglement. Things to remember: Underwater make sure all the air is out of the BCD, keep your regulator in your mouth. On the surface add air into the BCD, keep your snorkel in your mouth. Return to Skills Menu Next Slide Previous Slide Play Video Section 5-2 Confined Water Dive Skills Preview

Skills Preview – Weight Removal Underwater What are you going to learn? You will learn to remove, replace, adjust and secure a weight belt on the bottom in water too deep to stand up in, or for students using weight integrated BCDs or weight harness systems, in shallow water, remove weights while underwater. Why learn this skill? For fit and comfort you may have to adjust your weight belt or weight system while underwater. Things to remember: Check for twists, misadjusted weights and secure the buckle of your weight belt. If you are wearing an integrated BCD removing and replacing your scuba unit will effectively accomplish this skill. Return to Skills Menu Previous Slide Play Video Section 5-3 Confined Water Dive Skills Preview

Skills Preview – Your Equipment Return to Briefing Section 1-1 Confined Water Dive Skills Preview Video

Skills Preview – BCD Operation Return to Briefing Section 1-2 Confined Water Dive Skills Preview Video

Skills Preview – Breathing Habits Return to Briefing Section 1-3 Confined Water Dive Skills Preview Video

Skills Preview – Regulator Clearing Return to Briefing Section 1-4 Confined Water Dive Skills Preview Video

Skills Preview – Regulator Recovery Return to Briefing Section 1-5 Confined Water Dive Skills Preview Video

Skills Preview – Partial Mask Clearing Return to Briefing Section 1-6 Confined Water Dive Skills Preview Video

Skills Preview – Underwater Swimming Return to Briefing Section 1-7 Confined Water Dive Skills Preview Video

Skills Preview – Air Supply Return to Briefing Section 1-8 Confined Water Dive Skills Preview Video

Skills Preview – Alternate Air Source Return to Briefing Section 1-9 Confined Water Dive Skills Preview Video

Skills Preview – Ascents Return to Briefing Section 1-11 Confined Water Dive Skills Preview Video

Skills Preview – Safety Check Return to Briefing Section 2-1 Confined Water Dive Skills Preview Video

Skills Preview - Deep Water Entry Return to Briefing Section 2-2 Confined Water Dive Skills Preview Video

Skills Preview – Snorkel Clearing Return to Briefing Section 2-3 Confined Water Dive Skills Preview Video

Skills Preview – Snorkel/Regulator Exchange Return to Briefing Section 2-4 Confined Water Dive Skills Preview Video

Skills Preview – Snorkel Swim Return to Briefing Section 2-5 Confined Water Dive Skills Preview Video

Skills Preview – Descents Return to Briefing Section 2-6 Confined Water Dive Skills Preview Video

Skills Preview – Mask Removal Return to Briefing Section 2-7 Confined Water Dive Skills Preview Video

Skills Preview – No Mask Breathing Return to Briefing Section 2-8 Confined Water Dive Skills Preview Video

Skills Preview – Leaking Inflator Return to Briefing Section 2-9 Confined Water Dive Skills Preview Video

Skills Preview – BCD Operation Return to Briefing Section 2-10 Confined Water Dive Skills Preview Video

Skills Preview – Proper Weighting Return to Briefing Section 2-11 Confined Water Dive Skills Preview Video

Skills Preview – Out-of-Air Signal Return to Briefing Section 2-12 Confined Water Dive Skills Preview Video

Skills Preview – Ascents Return to Briefing Section 2-13 Confined Water Dive Skills Preview Video

Skills Preview – Surface Weight Removal Return to Briefing Section 2-14 Confined Water Dive Skills Preview Video

Skills Preview – Deep Water Exit Return to Briefing Section 2-15 Confined Water Dive Skills Preview Video

Skills Preview – Fin Pivot Return to Briefing Section 3-1 Confined Water Dive Skills Preview Video

Skills Preview – Swimming Underwater Return to Briefing Section 3-2 Confined Water Dive Skills Preview Video

Skills Preview – Cramp Removal Return to Briefing Section 3-3 Confined Water Dive Skills Preview Video

Skills Preview – Tired Diver Tow Return to Briefing Section 3-4 Confined Water Dive Skills Preview Video

Skills Preview – Alternate Air Source Return to Briefing Section 3-5 Confined Water Dive Skills Preview Video

Skills Preview – Free-Flow Regulator Return to Briefing Section 3-6 Confined Water Dive Skills Preview Video

Skills Preview – Emergency Swimming Ascent Return to Briefing Section 3-7 Confined Water Dive Skills Preview Video

Skills Preview – Hyperventilation Return to Briefing Section 4-1 Confined Water Dive Skills Preview Video

Skills Preview – Surface Dive Return to Briefing Section 4-2 Confined Water Dive Skills Preview Video

Skills Preview – Snorkel Ascents Return to Briefing Section 4-3 Confined Water Dive Skills Preview Video

Skills Preview – No Mask Swimming Return to Briefing Section 4-4 Confined Water Dive Skills Preview Video

Skills Preview – Hovering Return to Briefing Section 4-5 Confined Water Dive Skills Preview Video

Skills Preview – Equipment Removal Return to Briefing Section 5-1 Confined Water Dive Skills Preview Video

Skills Preview – Scuba Unit Removal Underwater Return to Briefing Section 5-2 Confined Water Dive Skills Preview Video

Skills Preview – Weight Removal Underwater Return to Briefing Section 5-3 Confined Water Dive Skills Preview Video