EDNA corssword #1

3. name of the 6thgeneration fighter jet currently in development (7)
5. Scottish RAF base with both Typhoon and Poseidon aircraft (11)
6. WW2 single seat fighter aircraft with elliptical wing shape (8)
8. Full meaning of Def-Stan (7,8)
10. helicopter that has been in service for 40+ years, with its first RAF's frontline squadron formed in 1981 (7)
12. What does the R stand for in RPAS (8)
13. 'Greener' aircraft fuel starting to be used instead of Jet-A (11,8,4)
16. the study of the properties of moving air and the interaction between the air and solid bodies moving through it (12)
17. What does the first A stand for in MAA (13)

1. What does the D stand for in EDNA (11)
2. the name of both an aircraft and a space probe (7)
4. DE&S online magazine (7)
6. largest NATO Mil Ex since the cold war, involving c.20,000 members of the UK armed forces, from Army, Navy & Air. (9,8)
7. What does the C stand for in FCAS (6)
9. aircraft crash that sparked a review into the THE BROADER ISSUES SURROUNDING THE LOSS, and is used oday, along with the Swiss Cheese Model for accident prevention and investigation (6)
11. WW2 operation that recently held its 80th anniversary (1-3)
14. British Second World War heavy bomber (4,9)
15. largest UK Navy aircraft carrier (1,1,1,5,9)