1. Revision A 12/19/12 PARC/T. Cassady Spinal Ultrasound SPINAL-S/W-REV_OPR SPINAL-CREW-CONF_OPR Operator Software Review and Crew Conference Ops before Spinal scan sessions (FD30, FD90, FD150) Ops scheduled within 7 days before each Spinal scan session, preferred 1 day before. Use 30 min nominal time for SPINAL-S/W-REV_OPR and 15 min nominal time for SPINAL-CREW-CONF_OPR for first session as operator. Use 15 min reserve time for SPINAL-S/W-REV_OPR and 10 min reserve time for SPINAL-CREW_CONF_OPR for subsequent sessions as operator. :30* OR :15** :15*OR :10** Crew Time Critical *First session/operator **Subsequent sessions/operator

2. Revision A 12/19/12 PARC/T. Cassady Spinal Ultrasound SPINAL-HISD-PHOTO (use 3 rd crewmember) :30 OR :10 1:00 :35 USND2-HRF1-SETUP/ON OR USND2-HRF1-PWRON (if USND2 deployed) 1:15:05 SPINAL-SCAN-OPS_SUB (before midday meal as early as possible in morning) USND2 HRF1-CMD5SPINAL-SCAN-OPS_OPR ESA-HRF1-ACT HRF1-RACK PWRUP-CMD :15 OR :10 > :15 USND2-HRF1-CMD20 USND2-HRF1-OFF/STOW OR USND2-HRF1-PWROFF (if USND2 used within 5 days) :20 ESA-HRF1-DEACT Scan HRF1-PC D/L 4H-CMD 4:00 Crew Commanding Unattended 1:00 HRF1-RACK PWRDN-CMD :05 USND2-COL USND2-VID 1:451:00 :05 REMINDER-SPINAL USND (pre-sleep 1 day before) :30 1:00 :05 3 sessions per subject. Sessions at FD30 (+/- 15d), FD90 (+/- 15d), and FD150 (+/- 15d). :35 HRF1-RACK/PC-TRACK 1:00 SPINAL-USND2-VID R5 :35 1:00 SPINAL-COL-VID R5 :35 USND2-HRF1-TRACK within 5 days :15 HRF-PHOTO OCA-DNLK

3. Revision A 12/19/12 PARC/T. Cassady Spinal Ultrasound PPO Change Log *Crew Roll-up is not maintained real-time.. Change#RevisionIncDateCrew Roll-up* (hrs) PTP (hrs) Crew Roll-up Notes EO10-PPO-12- 018 Baseline33/34 & Subs 8/23/12 Nominal: 15.00 Reserve: 1.50 Inc 33/34 Working PTP 7/11/12 Nominal: 14.67 Reserve: 1.00 Spinal Ultrasound: 3.75 hrs/subject/FD session; add 0.75 hrs/FD session for software review and crew conference. Nominal: - Hadfield (I34 FE5): 2 FD sessions (33S FD30 and FD90) with software review and crew conference for 1 session (33S FD30). - Marshburn (I34 FE6): 2 FD sessions (33S FD30 and FD90) and software review and crew conference for 1 session (33S FD30). Reserve: - Hadfield (I34 FE5): software review and crew conference for 1 FD session (33S FD90). - Marshburn (I34 FE6): software review and crew conference for 1 FD session (33S FD90). EO10-PPO-12- 036 Revision A35/36 & Subs 12/19/12 Nominal: 36.25 Reserve: 3:00 Inc 35/36 Working PTP 10/24/12 Nominal: 31.75 Reserve: 3.00 Spinal Ultrasound: 3.75 hrs/subject/FD session (FD30, FD90, FD150), 0.75 hrs/subject/FD30 operator software review and crew conference, 0.42 hrs/subject/FD90 and /FD150 operator software review and crew conference, 0.08 hrs/subject /FD HISD photos. Nominal: - Hadfield (I35 CDR): 1 FD session (33S FD150). - Marshburn (I35 FE6): 1 FD session (33S FD150). - Cassidy (I35/36 FE3): 3 FD sessions (34S FD30, FD90, FD150) with FD30 operator software review and crew conference and FD30 HISD photos. - Nyberg (I36 FE5): 2 FD sessions (35S FD30, FD90) with FD30 operator software review and crew conference and FD30 HISD photos. - Parmitano (I36 FE6): 2 FD sessions (35S FD30, FD90) with FD30 operator software review and crew conference and FD30 HISD photos. Reserve: - Hadfield (I35 CDR): FD150 operator software review and crew conference and FD150 HISD photos. - Marshburn (I35 FE6): FD150 operator software review and crew conference and FD150 HISD photos. - Cassidy (I35/36 FE3): FD90 and FD150 operator software review and crew conference and FD90 and FD150 HISD photos. - Parmitano (I36 FE5): FD90 operator software review and crew conference and FD90 HISD photos. - Nyberg (I36 FE6): FD90 operator software review and crew conference and FD90 HISD photos.