EIELSON AIR FORCE BASE, Alaska (May 15, 2021) Sen. Dan Sullivan inspects an F-35A Lightning II cockpit with Air Force Col. David Berkland, the 354th Fighter Wing commander, on Eielson Air Force Base, Alaska, May, 15, 2021. Sen. Sullivan and Adm. John Aquilino, commander of U.S. Indo-Pacific Command, visited multiple military units in Alaska during exercise Northern Edge 21. Northern Edge is one in a series of U.S. Indo-Pacific Command exercises designed to sharpen the joint forces' skills, practice tactics, techniques, and procedures, improve command, control, and communication relationships and develop cooperative plans and programs. (U.S. Navy photo by Chief Mass Communication Specialist Joshua Bryce Bruns)