220th Aviation Company Catkillers Tet 1968, Last Man Standing

220th Aviation Company Catkillers Quarterly Newsletter, Catkillers, Unit Roster, Photos, KIA, MIA, Bird Dog, unit personnel, unit members, 3rd Marine Div, 108th Arty, 5th Infantry Division, 101st Airborne Div

220th Aviation Company Catkillers

220th Aviation Company Catkillers Yearly Newsletter, 2016

220th Aviation Company Catkillers History Page: LT JG Whitney

220th Aviation Company Catkillers History Page: LT JG Whitney

Harold Vail's Instagram, Twitter & Facebook on IDCrawl

220th Aviation Company Catkillers History, 1969

220th Aviation Company Catkillers History: 1966

220th Aviation Company Catkillers

220th Aviation Company Catkillers 4th Quarterly Newsletter 2011

220th Aviation Company Catkillers, 1LT Robert J. Jordan, Jr., Original Catkiller, 1965–66

220th Aviation Company Catkillers Tet 1968, Last Man Standing

220th Aviation Company Catkillers Web Page

220th Aviation Company Catkillers Web Page

220th Aviation Company Catkillers Tet 1968, Last Man Standing

220th Aviation Company Catkillers History: 1966