Top photo is from Abel Collection while the bottom is Department of Defense (USMC) Photo A372933.
Marines from a 60mm mortar section of the 3d Battalion, 7th Marines
run from a landing zone in the "Arizona Territory" southwest of Da Nang.
The last man has the mortar base strapped across his shoulders, while
the mortar tube can be seen carried by the Marine in front of him. Below,
Marines during Operation Worth form a chain to move supplies out of
a landing zone in "Happy Valley."