Paratroopers from 1st Battalion, 503rd Parachute Infantry Regiment (PIR), 173rd Infantry Brigade Combat Team (Airborne) rehearse a cold load air assault from a CH-47 Chinook helicopter during exercise Immediate Resolve 19 at Udbina Airbase, Croatia, May 17, 2019. The deployment of ready, combat-credible U.S. forces to Europe in support of Atlantic Resolve is evidence of the strong and unremitting U.S. commitment to NATO and Europe. Through bilateral, joint and multinational training Atlantic Resolve builds readiness, increases interoperability and enhances the bond between ally and partner militaries.