1. Northrop Grumman B-2 Spirit Cpl. Martin Čuba

3. Basic information Name: B-2 Spirit Role: Stealth bomber Construction: Carbon-graphite composite material Quantity: 21 aircraft Introduction: April 1997 Primary user: United States Air Force Program cost: $44.75 billion

5. General characteristics Crew: Two-seat Length: 21 m (69 ft) Wingspan: 52.4 m (172 ft) Height: 5.18 m (17 ft) Wing area: 478 m² (5,140 ft²) Empty weight: 71,700 kg (158,000 lb) Loaded weight: 152,200 kg (336,500 lb) Powerplant: 4x non-afterburning turbofans, 77kN each Fuel capacity: 75,750 kg (167,000 pounds)

7. Performance Maximum speed: Mach 0.95 (1,010 km/h) Cruise speed: Mach 0.85 (900 km/h) Range: 11,100 km Service ceiling: 15,000 m Wing loading: 329 kg/m² Thrust/weight: 0.205

8. Armament Two internal bays for 23,000 kg: 80x 230 kg class bombs (Mk-82, GBU-38) 36x 340 kg class bombs 16x 910 kg class bombs (Mk-84, GBU-31) 16x B61 or B83 nuclear bombs

10. B-2 Spirit teaser http://www.youtube.com/watch?v=d- yYHdlkn2o http://www.youtube.com/watch?v=d- yYHdlkn2o

11. Resources http://en.wikipedia.org/wiki/Northrop_Grumman_B-2_Spirit http://science.howstuffworks.com/northrop-grumman-b-2-spirit.htm http://militaryhistory.about.com/od/militaryaircraft/p/Cold-War- Northrop-Grumman-B-2-Spirit.htm http://militaryhistory.about.com/od/militaryaircraft/p/Cold-War- Northrop-Grumman-B-2-Spirit.htm

12. Thank you for attention !