The second video is a conversion of Super8 movies made by Rich Hafer.
It shows a Bravo Company Mine Sweep near Hill 55.
You may have to double click on the video to play
th Engineer 7th Engineers, Bravo, B, company, usmc, vietnam, danang, south vietnam, engineers, 7, first marine division, cooper bridge, anderson trail, hill 55, engineers 7th B company marines vietnam danang 1967 1968 usmc engineers hill 55 combat engineers vietnam Bravo