Complex sentence: It was closed as an active Air Force Station on 1 July 1994, however the airport is still owned by the USAF and is operated by the USAF 611th Air Support Squadron at Elmendorf AFB for refueling purposes.
Split into simpler sentences: It was closed as an active Air Force Station on 1 July 1994. However, the airport is still owned by the USAF and is operated by the USAF 611th Air Support Squadron at Elmendorf AFB for refueling purposes.