soldier, sailor and marine who served in vietnam and they will tell you the wof, wof, wof of that rotar is the most welcome thing you can hear. when we were wounded it carried us out. i was medivaced in vietnam. 2.75 inch rockets and a machine gun that would fire over 4,000 round as minute, a virtual shower of steering lead. tonight on war stories, the men that pioneered warfare, warriors that risked their lives in a strange, dangerous land called vietnam. april 29th, 1975 the end of the vietnam war and as they had throughout the long and bloody conflict, helicopters provided some of the most memorable images. the frenzy evacuation of the u.s. embassy in saigon, being pushed into the sea destroyed to make room for south vietnamese. it was a conclusion to a long and costly war. ten years earlier, a very different time and image. formations of hughies sweeping in for the beginning of the world's first helicopter war. >> we were the fighter pilot of ore service and we were a proud and daring bunch. >> i had been in the artic and flown in the deserts and it was fun. it wasn't work, it was f