SSgt John Bainter, Public domain, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Israel_Rosa,_a_computer_specialist_with_the_Air_Force_Research_Lab,_holds_his_hands_out_in_front_of_him_during_a_beach_boot_camp_exercise_routine_on_Soundside_Beach_at_Hurlburt_Field,_Fla.,_May_18,_2013_130518-F-RS318-011.jpg