Answer :
During the Tet Offensive, the NLF and North Vietnamese suffered heavy losses, over 37 thousand casualties.
During the Tet Offensive, the NLF and North Vietnamese suffered heavy losses. The Tet Offensive was one of the largest military campaigns of the Vietnam war. It was officially called The General Offensive and Uprising of Tet Mau Than 1968. It was launched on January 30, 1968, by forces of the Viet Cong and North Vietnamese People's Army of Vietnam against the forces of the South Vietnamese Army of the Republic of Vietnam, the United States Armed Forces, and their allies.