Country's warships (4)
I believe the answer is:
navy
(Other definitions for navy that I've seen before include "Blue - ships and seamen" , "Marine force" , "A dark blue; service" , "Senior service" , "Fleet - blue" .)
I believe the answer is:
navy
(Other definitions for navy that I've seen before include "Blue - ships and seamen" , "Marine force" , "A dark blue; service" , "Senior service" , "Fleet - blue" .)