U.S. Air Force Airman Steven Latulippe, a fuels distribution operator with the 673d Logistics Readiness Squadron, Petroleum, Oil and Lubricants flight pulls a refuel hose from an R-11 Refueler truck during a chemical, biological, radiological and nuclear defense training for Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 5, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and strengthen and develop the skills service members require when facing adverse situations.

U.S. Air Force Airman 1st Class Steven Latulippe, a fuels distribution operator with the 673d Logistics Readiness Squadron, Petroleum, Oil and Lubricants flight conducts chemical, biological, radiological and nuclear defense training during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 5, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and strengthen and develop the skills service members require when facing adverse situations.

Military working dog, Chicco, awaits command from his handler, U.S. Air Force Staff Sgt. Christopher Bennett, at the Fort Richardson Gate, Joint Base Elemendorf-Richardson, Alaska, April 1, 2019 during a practice e confrontation management scenario for Polar Force 19-4. The simulated protest began as a peaceful demonstration which escalated, resulting in a few aggressive protesters being detained. The exercise test the base’s ability to integrate, mobilize, and prepare assigned personnel, aircraft and equipment to handle real-world situations. Bennett and Chicco are both assigned to the 673d Security Forces Squadron.

U.S. Air Force Senior Airman Dustin Downen, assigned to the 673d Logistics Readiness Squadron, accepts an equipment pallet after delivery during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, March 26, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness. Exercises like this strengthen and develop the skills service members require when facing adverse situations.

Twenty-four F-22 Raptors from 3rd Wing and 477th Fighter Group, a C-17 Globemaster III and an E-3 Sentry participate in a close formation taxi, known as an Elephant Walk, March 26, 2019, during a Polar Force exercise at Joint Base Elmendorf-Richardson, Alaska. This two-week exercise gives squadrons an opportunity to demonstrate their abilities to forward deploy and deliver overwhelming combat power.

U.S. Air Force Staff Sgt. Colby Clemens, a 673d Civil Engineer Squadron Explosive Ordnance Disposal, attaches a grappling device on a remote pull to detonate simulated submunitions in a simulated chemical environment during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 2, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness and strengthen and develop the skills service members require when facing adverse situations.

U.S. Air Force Maj. Trevor Williams, a 517th Airlift Squadron pilot, prepares for a flight during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 1, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and develops the skills service members require to face adverse situations.

Danger signs surround an unexploded ordnance during exercise Polar Force at Joint Base Elmendorf-Richardson, Alaska, April 3, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and develops the skills service members require to face adverse situations.

U.S. Air Force Senior Airman Jeremy Bennett with the 673d Force Support Squadron scans the trees during a search and recovery mission for mortuary affairs training during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 2, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and strengthen and develop the skills service members require when facing adverse situations.

A C-17 Globemaster lll takes off during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 1, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and develops the skills service members require to face adverse situations.

U.S. Air Force Staff Sgt. Garrett Broadwater, a 773d CES emergency management technician, looks at a perimeter map during exercise Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 3, 2019. The reconnaissance team assesses contamination, casualties, and damage, then reports their findings to the Emergency Operations Center. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and develops the skills service members require to face adverse situations.

Explosive Ordnance Disposal Airmen conduct self-aide buddy care in a simulated chemical environment during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 4, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness and strengthen and develop the skills service members require when facing adverse situations.

U.S. Air Force Senior Airman Dallas Singh, 90th Aircraft Maintenance Unit assistant dedicated crew chief, talks through the radio during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 3, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and develops the skills service members require to face adverse situations.

U.S. Air Force Staff Sgt. Danielle Shively, 673d Force Support Squadron unit deployment manager, operates a generator during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 4, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and develops the skills service members require to face adverse situations.

U.S. Air Force Senior Airman Dallas Singh, 90th Aircraft Maintenance Unit assistant dedicated crew chief, goes through technical orders during Polar Force 19-4 at Joint Base Elmendorf-Richardson, Alaska, April 3, 2019. Polar Force is a two-week exercise designed to test JBER’s mission readiness, and develops the skills service members require to face adverse situations.