U.S. Air Force Capt. Robert Grochalski, former 35th Fighter Wing PACIFIC WEASEL (PAC WEASEL) mission commander prepares for takeoff after entering the cockpit of an F-16 Fighting Falcon during a routine sortie at Misawa Air Base, Japan, Oct. 5, 2021. Under Grochalski’s leadership, the units involved in a PAC WEASEL exercise were empowered to overcome challenging scenarios by sharing innovative techniques and tactics in a joint environment. (U.S Air Force photo by Airman 1st Class Leon Redfern)