Airman 1st Class Erin Johnson removes a dump panel to provide internal maintenance on a B-1B Lancer bomber.
U.S. Air Force Airman 1st Class Erin Johnson, an aircraft fuel systems apprentice assigned to the 28th Maintenance Squadron, removes a dump panel to provide internal maintenance on a B-1B Lancer bomber at Ellsworth Air Force Base, S.D., on March 25, 2010.