"22px21 killed, 40 wounded" . . "22px126 killed, 448 wounded" . . "For other uses, see Hastings (disambiguation).Operation Hastings was an American military operation in the Vietnam War. The operation was a qualified success in that it pushed the North Vietnamese Army (NVA) forces back across the Demilitarized Zone (DMZ). As the NVA clearly did not feel constrained by the \"demilitarized\" nature of the DMZ, US military leadership ordered a steady build-up of U.S. Marines near the DMZ from 1966 to 1968."@en . . "22px8,000" . "1966-08-03Z"^^ . "22px3,000" . "ARVN 1st Division" . . "22pxSouth Vietnam" . "(2/4, 3/4, 2/1, 1/3 and 3/5 Marine Battalions)" . "Operation Hastings"@en . "22pxNorth Vietnam" . . "South Vietnamese and U.S. victory" . "Airforce support (10,000 helicopter and 1,677 bomber sorties were flown." . . . "(324B NVA Division)" . "8,000 to 10,000" . "22pxUnited States" .