US air force B1 lancer bomber aircraft takes off on full afterburner. The Rockwell (now part of Boeing) B-1 Lancer[N 1] is a four-engine supersonic .br US air force B1 lancer bomber aircraft takes off on full afterburner. The Rockwell (now part of Boeing) B-1 Lancer[N 1] is a four-engine supersonic . Feel the .br br A B-1B Lancer with the 34th Expeditionary Bomb Squadron, deployed to Al Udeid Air Base in support of operations Inherent Resolve and Freedoms Sentinel, .br Feel the power and enjoy the incredible sound as 3 Rockwell B-1 Lancer bombers take off from Nellis Air Force Base in Nevada, USA during Aviation Nation .