The 159th Liaison Squadron is an inactive United States Air Force unit. It was last assigned to V Fighter Command, and was inactivated on 31 May 1946 at Itami Airfield, Japan.

The V Fighter Command is a disbanded United States Air Force headquarters. It was established as the 2nd Interceptor Command in June 1941, with responsibility for air defense of the northwest United States and training fighter units in its area of responsibility. Shortly after the attack on Pearl Harbor, the Army formed Western Defense Command, with responsibility for the entire Pacific coast. All air defense functions were transferred to 4th Interceptor Command, and the command was slated for transfer to the Southwest Pacific Theater as 5th Fighter Command.