Paratroopers with 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division conduct an informal premission brief during night live-fire training at Fort Greely, Alaska, Oct. 25, 2016. The ba...

Paratroopers with 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division secure an area in view of Aurora Borealis during night live-fire training at Fort Greely, Alaska, Oct. 25, 2016. T...

Paratroopers with 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division fire on simulated enemy targets during night live-fire training at Fort Greely, Alaska, Oct. 25, 2016. The battali...

Paratroopers with 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division keep an eye out for opposing forces in view of Aurora Borealis during a base defense situational training exercise...

Paratroopers with 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division keep an eye out for opposing forces in view of Aurora Borealis during a base defense situational training exercise...

A paratroopers with 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division move to fires on simulated enemy targets during live-fire training at Fort Greely, Alaska, Oct. 25, 2016. The ba...

A paratrooper with 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division scans for simulated enemy targets during live-fire training at Fort Greely, Alaska, Oct. 25, 2016. The battalion ...