Defensive sea force (4)
I believe the answer is:
navy
(Other definitions for navy that I've seen before include "Fleet - blue" , "Nation's warships" , "Colour; fighting force" , "Fleet of ships" , "Ships-of-war" .)
I believe the answer is:
navy
(Other definitions for navy that I've seen before include "Fleet - blue" , "Nation's warships" , "Colour; fighting force" , "Fleet of ships" , "Ships-of-war" .)