Marines Test M-16 Rifle, 30 December 1967
"M-16 for MAG-16: Colonel Edwin C. Reed (Alexandria, Virginia), commanding officer, Marine Aircraft Group 16 [MAG-16], familiarizes himself with the newly adopted M-16 rifle at the Marble Mountain air facility rifle range. The new range is designed to familiarize the officers and men of MAG-16 with the M-16 prior to its issue to the group (official USMC photo by Lance Corporal Dave Johnson)."
From the Jonathan Abel Collection (COLL/3611), Marine Corps Archives & Special Collections.
OFFICIAL USMC PHOTOGRAPH