Martin F. Caldwell was an air force pararescue specialist and a SERE (survival, evasion, resistance, and escape) instructor. He logged over three hundred parachute jumps and flew over fifteen hundr...view moreMartin F. Caldwell was an air force pararescue specialist and a SERE (survival, evasion, resistance, and escape) instructor. He logged over three hundred parachute jumps and flew over fifteen hundred hours. Colonel Caldwell retired in 2007 after forty-one years of military service. He passed away in 2016.view less