Photos: 7 EMS, AMXS simulate flap malfunction on B-1B Lancer Published July 21, 2014 By Airman 1st Class Kedesha Pennant 7th Bomb Wing Public Affairs DYESS AIR FORCE BASE, Texas -- The 7th Equipment Maintenance Squadron and 7th Aircraft Maintenance Squadron Airmen joined forces to simulate a flap malfunction on a B-1B Lancer. Click here to see the photo slideshow.