Unattended fuel pumps unauthorized Published April 29, 2013 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- Due to recent fuel spills at the base Army and Air Force Exchange Service Express, all Airmen, family members and civilians who utilize the fuel station are advised to not leave fuel pumps unattended. Posted regulations state that vehicles must not be left unattended for any reason. Customers are required to stand by the pump at all times during fueling. In the event of a fuel spill, immediately contact an AAFES Express employee. For more information, call Diana Krieger, base AAFES manager, at (605) 923-4774.