Cmdr. John Mullen (left), relieves Cmdr. Warren Overton (right) of his command as Capt. Rajashaker Reddy, commodore Navy Recruiting Region East, presides over Navy Talent Acquisition Group Ohio River Valley's change of command ceremony Friday. NTAG Ohio River Valley’s mission is to man the Navy fleet with the highest quality Sailors and maintain the Navy’s unchallenged worldwide maritime superiority and ability to win wars, deter aggression and maintain freedom of the seas.