Staff Sgt. Jason Brown, (Left) 736th Security Forces Squadron Commando Warrior instructor, describes the different types of armament Airmen train with at the Pacific Regional Training Center to (center) U.S. Marine Corps Maj. Gen. James Kessler, commander, Marine Corps Installations Command, and (right) Maj. Gen. Timothy Byers, Air Force Civil Engineer, Headquarters U.S. Air Force, on Northwest Field, Guam, Feb. 27, 2013. The leaders toured base structures and developments to gain insight on successes and challenges within Joint Region Marianas. (U.S. Air Force photo Staff Sgt. Alexandre Montes)