"1,559 artillery pieces (not includingmortarsorrecoilless guns)" . . . . "At 26 April:" . "Regional Forces: 475,000" . "1975 invasion of South Vietnam" . "North Vietnamese victory" . "*Dissolutionof theRepublic of Vietnam" . . . "1,110,000 men (710,000 regulars, 400,000 armedCIDG)" . "229 aircraft" . . . "In South Vietnam: 270,000" . . "US Figures:" . . "Sources 1:" . "Supported by:" . "Vietnamese Figures::" . . . . . "407 artillery pieces" . . "1975 spring offensive" . . "493 tanks and armoured vehicles" . . . . . . . . "1975 spring offensive" . "679 trucks" . . "175,000 men (66,000 regulars)" . "270,000 men" . . "Popular Force: 381,000" . . . . . "capture" . "1,076 artillery pieces,mortarsandrecoilless guns" . . . "At 4th Tactical Zone:" . "1974-12-13" . "579 war ships" . "Regular Forces: 495,000" . . . "118 aircraft" . . "320 tanks and 250 armoured vehicles" . "*End of theVietnam War" . "624 tanks and armoured vehicles" . . . "1975 spring offensive#Ho Chi Minh Campaign" . . "SixA-37 Dragonflyaircraft" . . "In the perimeter around Saigon: 250,000 men (152,000 regulars)" . "Sources 2:" . "386 artillery pieces" . . . . "2,044 tanks and armoured vehicles" . . . . "Total Forces: 1,000,000" . "1,556 aircraft and helicopters" . "~10,000 killed, 15,999 wounded" .