The scaled-down FB-111A could have two missiles internally and four far more missiles underneath the aircraft's swing-wing. The externally mounted missiles needed the addition of the tailcone to lessen aerodynamic drag for the duration of supersonic flight on the aircraft. On rocket motor ignition, the missile tailcone was blown away https://trentoneuite.thekatyblog.com/32232529/the-definitive-guide-to-agam69