The B-1B 'Lancer' defensive electronics include the Eaton AN/ALQ-161A radar warning and defensive jamming equipment,which has three sets of antennas; one at the front base of each wing and the third rear-facing in the tail radome. Also in the tail radome is the AN/ALQ-153 Missile Approach Warning (Pulse-Doppler radar).The ALQ-161 is linked to a total of eight AN/ALE-49 flare dispensers located on top behind the canopy, which are handled by the AN/ASQ-184 avionics management system. Each AN/ALE-49 dispenser has a capacity of 12 MJU-23A/B flares. [Wiki]