What is Vietnam War?
{{Infobox military conflict | conflict = Vietnam War | partof = the [[Indochina Wars]] and the [[Cold War]] | image = {{multiple image|border=infobox|perrow=2/2/2|total_width=300 | image1= U.S. Army UH-1H Hueys insert ARVN troops at Khâm Đức, Vietnam, 12 July 1970 (79431435).jpg | alt1= | image2=Pavnbattle.jpg | alt2= | image3=Hue Massacre Interment.jpg | alt3= | image4=Flame Thrower. Operation New Castle. - NARA - 532488.tif | alt4= | image5=A-4C Skyhawks of VA-146 fly past USS Kearsarge (CVS-33) in the South China Sea on 12 August 1964 (USN 1107965).jpg | alt5= | image6=Execution of Nguyen Van Lem.jpg | alt6=}}'''Clockwise from top left:''' {{flatlist| * American Huey helicopters insert South Vietnamese ARVN troops, 1970. * North Vietnamese soldiers in action {{circa|1966}}. * [[United States Marine Corps|American marines]] use a [[flamethrower]], 1967. * non-communist South Vietnamese general [[Nguyễn Ngọc Loan]] summarily executes Viet Cong officer [[Execution of Nguyễn Văn Lém|Nguyễn Văn Lém]] during the [[Tet Offensive]]. * Two [[Douglas A-4C Skyhawk]] fly past the anti-submarine aircraft carrier [[USS Kearsarge (CVS-33)]], 1964. * Dead civilians from the [[Massacre at Huế]] are buried. }} | date = 1 November 1955 – 30 April 1975<br />({{Age in years, months, weeks and days|month1=11|day1=1|year1=1955|month2=04|day2=30|year2=1975}}){{Refn|Due to the early presence of U.S. troops in Vietnam, the start date of the Vietnam War is a matter of debate. In 1998, after a high-level review by the [[United States Department of Defense|Department of Defense]] (DoD) and through the efforts of [[Richard B. Fitzgibbon, Jr.|Richard B. Fitzgibbon's]] family, the start date of the Vietnam War according to the U.S. government was officially changed to 1 November 1955.<ref>{{Cite news |title=Name of Technical Sergeant Richard B. Fitzgibbon to be added to the Vietnam Veterans Memorial |publisher=[[United States Department of Defense|Department of Defense (DoD)]] |url=http://www.defense.gov/Releases/Release