. "Regular Forces: 270,000" . "493 tanks and armoured vehicles" . . "1,559 artillery pieces (not includingmortarsorrecoilless guns)" . "capitulation ofSouth Vietnam" . "At 4th Tactical Zone:" . . "386 artillery pieces" . "The 1975 Spring Offensive (Vietnamese: Chi\u1EBFn d\u1ECBch M\u00F9a Xu\u00E2n 1975) was a series of increasingly large-scale and ambitious offensive operations by North Vietnam and the Viet Cong that began on 13 December 1974. The eventual goal of these operations was to defeat the armed forces and force the surrender of the government of South Vietnam."@en . . "407 artillery pieces" . "At 26 April:" . . "Regional Forces: 475,000" . . "320 tanks and 250 armoured vehicles" . "Popular Force: 381,000" . "579 war ships" . . "SixA-37 Dragonflyaircraft" . "1,076 artillery pieces,mortarsandrecoilless guns" . "118 aircraft" . . . "1,110,000 men (710,000 regulars, 400,000 armedCIDG)" . "1974-12-13Z"^^ . "Vietnamese Figures::" . . "679 trucks" . "~20,000 killed and wounded" . . "Supported by:" . "Total Forces: 1,000,000" . "Regular Forces: 495,000" . "Sources 2:" . "In the perimeter around Saigon: 250,000 men (152,000 regulars)" . "229 aircraft" . "270,000 men" . "Sources 1:" . "624 tanks and armoured vehicles" . "US Figures:" . . "175,000 men (66,000 regulars)" . "1975 Spring Offensive"@en . . . "1,556 aircraft and helicopters" . "Viet Cong" . "Decisive North Vietnamese victory," . "2,044 tanks and armoured vehicles" . . . "North Vietnam" .