http://in.c2w.com/crosswords/71720-COTD-Military-Terms

1D. BUNKER
2D. BAYONET
3A. MOAT
3D. MAYDAY
4D. AMBUSH
5A. ARMADA
6D. MISSILE
7D. BOOBY
8D. TANK
9A. ECHO
10A. SONAR
11D. FRIGATE
12A. CEASEFIRE
13D. SURFACE
14D. FILE
15A. LOGISTICS
16A. TORPEDO
17A. BLOCKADE

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