Keywords: 120402-F-MQ656-076 (6915078724).jpg U S Air Force Tech Sgt Sergio Avalos in blue life vest center a survival evasion resistance and escape specialist assigned to the 15th Operations Support Squadron teaches Service members group swimming technique during a water survival refresher class at Joint Base Pearl Harbor-Hickam Hawaii April 2 2012 DoD photo by Tech Sgt Michael R Holzworth U S Air Force/Released https //www flickr com/photos/39955793 N07/6915078724/ 120402-F-MQ656-076 2012-04-02 13 02 https //www flickr com/people/39955793 N07 U S Department of Defense Current Photos PD-USGov U S Department of Defense Current Photos https //flickr com/photos/39955793 N07/6915078724 2016-09-03 11 51 38 United States Government Work Defense Media Activity United States Department of Defense |