Hot Springs, Arkansas.
Detail of an old U.S. Army tank found in a Hot Springs, Arkansas park.
A cannon at Fort Washita, Oklahoma.
Shotgun shells resemble candy in this macro shot.
Detail of 12 gauge shotgun shells.
Detail of a handgun.
30 mm GAU-8/A Avenger Gatling gun on an USAF A-10 Thunderbolt II at the Alliance Air Show in Fort Worth.