略語大辞典 [MIL] 20 E2I endo/exo-atmospheric interceptor 大気内/外インターセプター. 弾道ミサイル迎撃兵器.endo/exo-atmospheric interceptor; a countermeasure against ballistic missiles; e.g. for SDI(strategic defense initiative); [MIL]. 丸善「略語大辞典」JLogosID : 11872845