RF-A 18-2 under way

RF-A 18-2 under way

A U.S. soldier jumps out of an HC-130 Hercules as part of a static line jump training exercise, June 11, 2018. Airmen and soldiers conducted the exercise over the Joint Pacific Alaska Range Complex, the largest instrumented air, ground and electronic combat training range in the world. (U.S. Air Force photo by Senior Airman Isaac Johnson)

RF-A 18-2 under way

U.S. Airmen and Soldiers parachute to the ground after jumping from a HC-130J Hercules on June 11, 2018, during RED FLAG-Alaska 18-2. The exercise incorporates both ground and air forces from the U.S. and partner nations for realistic combat training. (U.S. Air Force photo by Airman 1st Class Eric M. Fisher)

RF-A 18-2 under way

A U.S. service member jumps from a HC-130J Hercules on June 11, 2018, during RED FLAG-Alaska 18-2. Members of both the U.S. Air Force and Army conducted static line jump training as part of the exercise which seeks to improve interoperability between U.S. and joint forces. (U.S. Air Force photo by Airman 1st Class Eric M. Fisher)

RF-A 18-2 under way

A U.S. Airman signals crew members at the back of an HC-130 Hercules, June 11, 2018, during RED FLAG-Alaska 18-2. RF-A serves as a platform for integrating various forces into joint, coalition and multilateral training enabling all participants to exchange tactics, techniques and procedures. (U.S. Air Force photo by Senior Airman Isaac Johnson)

RF-A 18-2 under way

Two Japan Air Self Defense Force F-15 Eagles sit on the flight line June 12, 2018, at Eielson Air Force Base, Alaska. RED FLAG-Alaska 18-2 includes participants from the U.S., Japan and the Republic of Singapore. (U.S. Air Force photo by Airman 1st Class Eric M. Fisher)

RF-A 18-2 under way

A U.S. Air Force F-16 Fighting Falcon from the 425th Fighter Squadron (FS) out of Luke Air Force Base, Arizona, sits on the flight line June 1, 2018, on Eielson Air Force Base, Alaska. The 425th FS brought eight F-16s to participate in RED FLAG-Alaska 18-2. (U.S. Air Force photo by Airman 1st Class Eric M. Fisher)

EIELSON AIR FORCE BASE, Alaska --