発はっ艦かん

は

っ

か

ん

Meanings

1

noun, noun or participle which takes 'suru'

takeoff from a warship

Military/aviation term for an aircraft launching from a ship, especially an aircraft carrier. Used as a noun or with する.

離り陸りく
離陸 is the general term for takeoff from land; 発艦 specifically means launching from a warship.
着ちゃっ艦かん
着艦 is the opposite action: landing on a warship.

Compound of 発 (はつ, 'departure') and 艦 (かん, 'warship'). The reading はっかん results from regular gemination.