AL UDEID, QATAR - DECEMBER 30:  Members of the Petroleum Oils and Lubricants (POL) squadron at the 379th Air Expeditionary Wing take a break from replacing a 50,000-gallon fuel bladder in support of Operation Enduring Freedom December 30, 2002 in Al Udeid, Qatar.  The POL squadron recently had to replace 11 of their 20 fuel bladders due to notification of a bad lot number. (Photo by Cherie A. Thurlby/USAF/Getty Images)