naval vessels; warships
General term for military ships, including both large warships and smaller patrol boats. Often used in news reports and official contexts.
海上自衛隊の艦艇が訓練を行った。
The Maritime Self-Defense Force's naval vessels conducted a drill.
その海域では複数の艦艇が警戒にあたっている。
Several warships are on alert in those waters.
The government dispatched naval vessels to that sea area.
Several naval vessels were anchored in the harbor.
Unidentified naval vessels are approaching the coast.
auxiliary vessel
military transport vessel