170402-N-VD499-343 PATUXENT RIVER, Maryland (April 2, 2017) Gunner's Mate 2nd Class Alejandro Conchas, an armorer at Naval Air Station Patuxent River, provides instruction on the M9 pistol during a range qualification course for Navy Reservists. The Reservists, headquartered at Navy Operational Support Center Baltimore, augment the active duty police force at NAS Patuxent River and qualify on the same equipment and range as the active duty component. (U.S. Navy photo by Chief Petty Officer Alexander Europa/Released)