operation steel tiger was a covert u.s. 2nd air division , later seventh air force and u.s. navy task force 77 aerial interdiction effort targeted Aiming against the infiltration of people 's army of vietnam ( pavn ) men and material moving Motion south from the democratic republic of vietnam ( drv or north vietnam ) through southeastern laos to support Supporting their military effort in the republic of vietnam ( south vietnam ) during the vietnam war .

operation barrel roll was a covert u.s. air force 2nd air division and u.s. navy task force 77 , interdiction and close air support campaign Military_operation conducted Action in the kingdom of laos between 14 december 1964 and 29 march 1973 concurrent with the vietnam war .

beginning during the same time frame ( and expanding throughout the conflict ) the operation became Becoming increasingly involved in providing Supply close air support missions for royal lao armed forces , unk tribal mercenaries , and thai volunteer defense corps in a covert ground war in northern and northeastern laos .

operation tiger hound was a covert u.s. 2nd air division , later seventh air force and u.s. navy task force Military_operation 77 aerial interdiction campaign conducted Action in southeastern laos from 5 december 1965 till 11 november 1968 , during the vietnam war .

although cambodia did not participate Participation , laos returned Arriving to compete Competition for the first time under the new federation name in this edition of the games .

the unk treaty of amity and association ( signed Sign_agreement 22 october 1953 ) transferred Giving remaining french powers to the royal lao government ( except control Control of military affairs ) , establishing Creating laos as an independent member of the french union .

the vietnam war ( ) , also known as the second indochina war , and in vietnam as the resistance war against america ( ) or simply the american war , was a conflict in vietnam , laos , and cambodia from 1 november 1955 to the fall of saigon on 30 april 1975 .