FB (Floating Bridge) 부교 FB (Forward Boundry) 전방전투지경선 FBH (Force Beachhead) 해안두보 FBHL (Force Beachhead Line) 해안두보선 FBI (Federal Bureau of Investigation) 미 연방수사국 FBM (Fleet Ballistic Missile) 함대 탄도유도탄 FBR (Feedback Report) 귀환보고 FBRL (Final Bomb Release Line) 최후폭격선 FBY (Future Budget Year) 내년 예산
