A 325th Fighter Wing F-22 Raptor sits on the flightline as storm clouds approach July 21 at Eglin Air Force Base, Fla. The fighter was used for the 43rd Fighter Generation Squadrons weapons load competition that same day. (U.S. Air Force photo/Samuel King Jr.)

Royalty-Free Standard Commercial licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard Commercial license has no limitations and covers up to 15 users.