COMBAT SENT is an RC-135 aircraft employed as a Scientific and Technical ELINT Collection System. Two COMBAT SENT RC-135Us are assigned to the 55th Wg at Offutt AFB, and are flown by crews from the 38th RS, 343rd RS, and the 97th IS, also at Offutt AFB. USAF Rome Laboratory is using computers and expert systems as enabling technology to re-engineer and improve COMBAT SENT Mission Management.