Пн | Вт | Ср | Чт | Пт | Сб | Вс |
---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | |
7 | 8 | 9 | 10 | 11 | 12 | 13 |
14 | 15 | 16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 | 26 | 27 |
28 | 29 | 30 |
https://en.wikipedia.org/wiki/Liberdade_class_underwater_glider
2004 US Navy Office of Naval Research began developing the world's largest gliders, the Liberdade class flying wing gliders
2006 XRay Liberdade аirst major field tests took place
2007 XRay2 was completed and demonstrated a 20 to 1 lift-to-drag ratio
2008 55 field tests were conducted
2010 ZRay model was completed and includes a 27 channel hydrophone array