Rock and unroll Published Jan. 21, 2003 OPERATION ENDURING FREEDOM (AFPN) -- Airmen with the 379th Air Expeditionary Wing unroll a fuel bladder Jan. 20 as part of an effort to increase fuel storage capacity at Al Udeid Air Base, Qatar. Each bladder can hold up to 210,000 gallons of fuel. (Photo by Staff Sgt. David Donovan)