Jo Martinez, Randolph Air Force Base lifeguard, cleans around the pool deck during preparation for the 2010 swimming season. (U.S. Air Force photo/Steve Thurow)

Brian Delaney, Randolph Air Force Base lifeguard, cleans a lifeguard observation chair during preparation for the 2010 swimming season. (U.S. Air Force photo/Steve Thurow)

Glysha Kraft, Randolph Air Force Base lifeguard, cleans lounge chairs during preparation for the 2010 swimming season. (U.S. Air Force photo/Steve Thurow)

Angel Saavedra and Joshua Caslill, Randolph Air Force Base lifeguards, work together to clean around the pool deck while the skimmer cleans the pool during preparation for the 2010 swimming season. (U.S. Air Force photo/Steve Thurow)