South Vietnamese ground forces crossed into Laos with U.S. air and logistical support, seeking to disrupt the Hồ Chí Minh Trail. The operation tested Vietnamization and Laos’s sovereignty; Laotian...
South Vietnamese forces withdrew from Laos after heavy losses. The operation failed to permanently sever supply routes and exposed the limits of U.S. claims that Vietnamization could sustain major...
