10 February 1967: Support Fire: Marines of C Battery, 1st Battalion, 13th Marines [C/1/13], make sight adjustments as they load their 105mm howitzer. The battery is firing in support of 3d Marine Division Marines engaged in Operation Chinook taking place about 12 miles north of Hue.

official USMC photo by Lance Corporal B. L. Axelrod

From the Jonathan F. Abel Collection (COLL/3611), Marine Corps Archives & Special Collections