"The 21st Marine Regiment (21st Marines) was an infantry regiment of the United States Marine Corps. Activated for service in World War II, they fought in the battles of Bougainville, Guam and Iwo Jima. They fell under the 3rd Marine Division and were deactivated after the end of the war on December 20, 1945."@en . . . . . "21"^^ . . "The 21st Marine Regiment (21st Marines) was an infantry regiment of the United States Marine Corps. Activated for service in World War II, they fought in the battles of Bougainville, Guam and Iwo Jima. They fell under the 3rd Marine Division and were deactivated after the end of the war on December 20, 1945."@en . . . "World War II"@en . . . . "Infantry regiment"@en . . . "--07-14"^^ . . "21st Marine Regiment (United States)"@en . . "Deactivated"@en . "Locate, close with and destroy the enemy with fire and maneuver"@en . "* Battle of Bougainville"@en . "* Battle of Iwo Jima"@en . "21"^^ . . "* Battle of Guam"@en . . .