U.S. Air Force Maj. Ed Acosta, 9th Airlift Squadron pilot, defines an off-station trainer and how it pertains to the Great Power Competition at Travis Air Force Base, California, April 2, 2024. The OST gave the 9th AS aircrew an opportunity to engage in joint interoperability and facilitate effective communication between service branches. (U.S. Air Force video by Airman 1st Class Amanda Jett)
