Leadership from Joint Base Lewis-McChord salute the arrival of Admiral Harry B. Harris Jr., Pacific Command commander, Sept. 8, 2015, to McChord Field, Wash. PACOM overseas the operations of the Army, Navy, Air Force and Marines within its area of responsibility, and area that covers more geographical area than any of the other five combatant commands around the globe. (U.S. Air Force photo/Staff Sgt. Tim Chacon)

Admiral Harry B. Harris Jr. (far left), Pacific Command commander, receives a brief about the 62nd Airlift Wing from Col. Leonard Kosinski (second from left), 62nd AW commander, Sept. 8, 2015, at Joint Base Lewis-McChord, Wash. Kosinski briefed Admiral Harris about the mission set of the 62nd AW and 446th AW to include: aeromedical evocation, combat air drop, Operation Deep Freeze support and several other special tactics and joint force capabilities. (U.S. Air Force photo/Staff Sgt. Tim Chacon)

Admiral Harry B. Harris Jr., Pacific Command commander, receives a brief on the capabilities of the C-17 Globemaster III, Sept. 8, 2015, at Joint Base Lewis-McChord, Wash. Harris has served in every geographic combatant command region in the world and now commands the largest of the six combatant commands, an area that is home to 50 percent of the world’s population. (U.S. Air Force photo/Staff Sgt. Tim Chacon)

Admiral Harry B. Harris Jr. (far left), Pacific Command commander, receives a brief from Senior Airman Kurtis Poston, 446th Airlift Wing aeromedical evacuation technician, Sept. 8, 2015, at Joint Base Lewis-McChord, Wash. The 446th AW is Washington State’s only Air Force Reserve flying unit and has more than 2,300 members assigned to it. (U.S. Air Force photo/Staff Sgt. Tim Chacon)

Capt. Joe Fry (right), 62nd Airlift Wing C-17 pilot, briefs Admiral Harry B. Harris Jr., Pacific Command commander, Sept. 8, 2015, at Joint Base Lewis-McChord, Wash. Fry explained the details of air drop operations. (U.S. Air Force photo/Staff Sgt. Tim Chacon)

Lt. Gen. Stephen Lanza (left), I Corps commander, briefs Admiral Harry B. Harris Jr., (center), Pacific Command commander, on the High Mobility Artillery Rocket System, Sept. 8, 2015, at Joint Base Lewis-McChord, Wash. The HiMARS is a GPS guided rocket firing system. (U.S. Air Force photo/Staff Sgt. Tim Chacon)

Capt. Alexander Morris (left) 62nd Maintenance Squadron flight commander, explains the capabilities of the Home Station Checks to Admiral Harry B. Harris Jr., Pacific Command commander, Sept. 8, 2015, at Joint Base Lewis-McChord, Wash. The purpose of HSC is to perform maintenance on the 48 C-17 Globemaster III’s belonging to the 62nd Airlift Wing. (U.S. Air Force photo/Staff Sgt. Tim Chacon)