A soldier keeps watch in San Miguel, Cozumel, Mexico.
En Atencion
Members of the Mexican Naval Infantry Force stand at attention during a ceremony commemorating the 165th anniversary of the Battle of Chapultepec in San Miguel, Cozumel, Quintana Roo, Mexico.
Tank
Detail of a tank in a Hot Springs, Arkansas park.
Tank Barrel
Detail of an old U.S. Army tank found in a Hot Springs, Arkansas park.
Frontier Cannon
A cannon at Fort Washita, Oklahoma.
Candy?
Shotgun shells resemble candy in this macro shot.
Made in U.S.A.
Macro detail of 12 gauge shotgun shells.
9mm Luger
Detail of a 9mm handgun.
Death from Above
A 30 mm GAU-8/A Avenger Gatling gun on an USAF A-10 Thunderbolt II at the Alliance Air Show in Fort Worth.