US Marines Installing Highly Advanced Propellers on Hybrid Helicopter V-22 Osprey November 7, 2015 Geraldine Featured Military Videos, US Marines US MarinesA Video featuring US Marines from “Marine Aircraft Wing”, Medium Tiltrotor Squadron (VMM) 163 and Marine Air Group installing propellers on the Bell Boeing V-22 Osprey. Please support our Sponsors - Or Buy an Item from our Catalog