Master Chief Frank Dominguez, left, command master

Master Chief Frank Dominguez, left, command master chief, Regional Command (Southwest), talks to a corpsman with 1st Battalion, 9th Marine Regiment, during a visit aboard Patrol Base Boldak in Helmand province, Afghanistan, Feb. 25, 2014. Master Chief Dominguez was impressed with the skills and techniques taught by the corpsmen with 1st Bn., 9th Marines, operating aboard PB Boldak and throughout Helmand province. (U.S. Marine Corps photo by Cpl. Cody Haas/ Released)