The 148th Fighter Wings final Block 25 F-16 leaves Duluth MN.
SSgt Charles Thurber stands by as the last Block 25 F-16 prepares for it's final departure flight on Sept. 14, 2010 at the 148th Fighter Wing Air National Guard Base in Duluth, Minn. The 148th FW has transitioned to the Block 50 F-16 and this Block 25 was the last to be replaced. (U.S. Air Force photo by SMSgt Ralph Kapustka)