![](http://www.alamy.com/thumbs/6/45AD85FE-5327-4C98-AE34-7B236C78DEA0/2TA2AME.jpg)
Military crewmen from Marine Heavy Helicopter Squadron 463, stationed at Marble Mountain Air Facility, maintain vigilance during an operation south of Denang in April 1970. In this photograph, they are seen keeping a sharp lookout for enemy activity. The image was captured by Cpl. Clyde R. White of the Department of Defense.
Size: 3368px × 2107px
Photo credit: © piemags/NBV / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., 11, 127, 1970, 1st, 22822, 35mm, 463, a4, activities, activity, air, american, april, bh, boyington, clyde, corps, cpl., crewmen, danang, defense, department, enemy, facility, greg, gregory, gvb-234, heavy, helicopter, lookout, machinegunners, marble, marine, military, mountain, negative, operation, pappy, photo, pilots, sharp, squadron, twy, vietnam, vigil, visit, war, white, wing