Naval Air Crewman (Helicopter) 3rd Class Sean Magee, assigned to the “Blackjacks” of Helicopter Sea Combat (HSC) Squadron 21, is responsible for maintaining the aircraft during flight operation. Magee is deployed aboard hospital ship USNS Mercy (T-AH 19) in support of Pacific Partnership 2016. (U.S. Marine Corps photo by Sgt. Brittney Vella/Released)

Master at Arms 2nd Class Amber Boyd from Cleveland, Ohio, runs an obstacle with Military Working Dog (MWD) Omar. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Timothy M. Ahearn/Released)

Naval Aircrewman (Helicopter) 1st Class John Jacops, left, and Chief Naval Aircrewman Shaun Daniels, assigned to Helicopter Mine Countermeasures Squadron (HM) 14, explain how the MK-104 acoustic minesweeping device functions to Rear Adm. Jim W. Kilby, Commander, Naval Surface and Mine Warfighting Development Center, during a tour of the squadron in support of the Southern California portion of Rim of the Pacific 2016. (U.S. Navy photo by Lt. Cmdr. Jeremy Braun/Released)

Seaman Marcus Padilla sounds the boatswain’s pipe prior to making an announcement over the ship’s announcement system aboard the Ticonderoga-class guided-missile cruiser USS Chancellorsville (CG 62). (U.S. Navy photo by Mass Communication Specialist 2nd Class Andrew Schneider/Released)

Explosive Ordnance Disposal Technicians, assigned to Explosive Ordnance Disposal Mobile Unit 5 prepare to dive into the Mutsu Bay off the coast of Japan during the 2JA 2016 Mine Countermeasures Exercise (2JA-16 MCMEX). (U.S. Navy photo by Mass Communication Specialist Alfred A. Coffield/Released)

Sailors assigned to Navy Operational Support Center (NOSC) Chattanooga man the rails during a remembrance ceremony for the Fallen Five at Ross’s Landing in downtown Chattanooga. (U.S. Navy photo by Mass Communications Specialist 2nd Class Caine Storino/Released)

Chief of Naval Operations Adm. John Richardson visits USS America (LHA 6), currently operating in the waters near the Hawaiian Islands as part of Rim of the Pacific (RIMPAC) 2016. (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)

Rear Adm. John Alexander, Commander, Battle Force 7th Fleet, is soaked with water after being doused with a fire hose in celebration of his final arrested landing aboard the Navy’s only forward-deployed aircraft carrier, USS Ronald Reagan (CVN 76). (U.S. Navy photo by Mass Communication Specialist 3rd Class Eduardo Otero/Released)

Vice President Joe Biden poses for a photograph with Sailors in the hangar bay aboard USS John C. Stennis (CVN 74) during the Rim of the Pacific maritime exercise. (U.S. Navy Photo by Mass Communication Specialist 3rd Class Luke Moyer/Released)

Navy Musician 2nd Class Jordan Witt (left), native to Big Stone Gap, Virginia, from the “Big Wave” U.S. Pacific Fleet Band, interacts with local children during rehearsal for a concert at Bach Dang Street, part of a Pacific Partnership 2016 community relations event. (Royal Australian Air Force photo by Air Force Imagery Specialist CPL David Cotton/ Released)

Logistics Specialist 3rd Class Elizabeth Rios, from Lebanon, Pennsylvania, stands sea and anchor detail watch aboard USS Porter (DDG 78) as the ship arrives in Gaeta, Italy for a scheduled port visit. (U.S. Navy Photo by Mass Communication Specialist 3rd Class Robert S. Price/Released)

Lt. Stuart Anderson, assigned to the Proud Warriors of Helicopter Maritime Strike Squadron (HSM) 72, is welcomed home by his son at Naval Air Station Jacksonville. (U.S. Navy photo by Mass Communication Specialist 2nd Class Timothy Schumaker/Released)

Gunner’s Mate 1st Class Kyle Galow (center), from St. Matthews, South Carolina, prepares to fire a Mk-38 25mm cannon from a remote control panel on the bridge of the guided-missile cruiser USS Mobile Bay (CG 53) while conducting a live-fire exercise during Rim of the Pacific 2016. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ryan J. Batchelder/Released)

Navy musicians from the “Big Wave” U.S. Pacific Fleet Band perform during a concert held at Bach Dang Street, as part of Pacific Partnership 2016 community relations event. (Royal Australian Air Force photo by Air Force Imagery Specialist CPL David Cotton/ Released)

Vice President Joe Biden meets with Capt. Greg Huffman, USS John C. Stennis’ (CVN 74) commanding officer, on the bridge aboard USS John C. Stennis during the Rim of the Pacific maritime exercise. (U.S. Navy Photo by Mass Communication Specialist 3rd Class Luke Moyer/Released)