略語大辞典 [MIL] 23 FS fighter support 支援戦闘機. fighter support; a military aircraft; e.g. CAS(close air support); ref. FA(fighter attacker), FB(fighter momber); ref. SFX(fighter support X); [MIL:Traf]. 丸善「略語大辞典」JLogosID : 11875340