The term 'ARMADAS, OF' can be solved by the crossword solutions 'NAVAL' (5 letters) and 'FLEETS' (6 letters). An armada is a large fleet of ships, usually used for military purposes. Historically, armadas were used by European countries to explore and colonize new lands, as well as to protect their own coasts from invasion. Today, armadas are still used by navies around the world for a variety of purposes, including search and rescue operations, humanitarian aid, and military exercises.