🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsTiếng ViệtРусскийالعربية中文日本語EntityQ2095768· pop 17· linked from 710 articlesOperation Lam Son 7191971 Vietnam War military offensive in Laos by the US-backed ARVNConnectionsBell AH-1 CobraEntitySikorsky H-53 Sea StallionEntityCategories1971 in LaosBattles and operations of the Vietnam War in 1971Campaigns of the Vietnam WarConflicts in 1971February 1971 in AsiaLaos–United States military relationsMarch 1971 in AsiaMilitary campaigns involving the United StatesMilitary campaigns involving VietnamMilitary history of LaosSource attributionSpillover of the Vietnam War