<Table> <Tr> <Th_colspan="2"> Battle of Ia Drang Valley </Th> </Tr> <Tr> <Td_colspan="2"> Part of the Vietnam War (Operation Silver Bayonet I, Pleiku Campaign 1965) </Td> </Tr> <Tr> <Td_colspan="2"> Some U.S. Army soldiers air - lifted into LZ X-Ray . </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> November 14--18, 1965 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Coordinates: 13 ° 35 ′ N 107 ° 43 ′ E ﻿ / ﻿ 13.583 ° N 107.717 ° E ﻿ / 13.583; 107.717 Chu Pong - Ia Drang complex Central Highlands, South Vietnam </Td> </Tr> <Tr> <Th> Result </Th> <Td> Both sides claimed victory </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> Belligerents </Th> </Tr> <Tr> <Td> United States Supported by: South Vietnam </Td> <Td> North Vietnam </Td> </Tr> <Tr> <Th_colspan="2"> Commanders and leaders </Th> </Tr> <Tr> <Td> Richard Knowles 1st Air Cavalry Division Fwd CP Tim Brown 3rd Air Cavalry Brigade Harold G. Moore, 1st Battalion, 7th Cavalry Robert McDade, 2nd Battalion, 7th Cavalry Walter B. Tully, 2nd Battalion, 5th Cavalry </Td> <Td> Nguyễn Hữu An B3 Field Front Fwd CP Phạm Công Cửu 66th Deputy Cmdr † Lã Ngọc Châu 7 / 66 Lê Xuân Phôi 8 / 66 † Nguyễn Văn Định 9 / 66 </Td> </Tr> <Tr> <Th_colspan="2"> Units involved </Th> </Tr> <Tr> <Td> <P> 3rd Brigade, 1st Cavalry Division (Airmobile): </P> <Ul> <Li> 1st Bn., 7th Cavalry </Li> <Li> 2nd Bn., 7th Cavalry </Li> </Ul> <P> 2nd Brigade, 1st Cavalry Division (Airmobile): </P> <Ul> <Li> 2nd Bn., 5th Cavalry </Li> </Ul> <P> 1st Battalion, 21st Artillery </P> <Ul> <Li> Two batteries (included 24 M2 howitzers) </Li> </Ul> 3AC Fleet / SAC </Td> <Td> <P> 33rd Regiment: </P> <Ul> <Li> 1st Battalion </Li> <Li> 3rd Battalion </Li> </Ul> <P> 66th Regiment: </P> <Ul> <Li> 7th Battalion </Li> <Li> 8th Battalion </Li> <Li> 9th Battalion </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Strength </Th> </Tr> <Tr> <Td> Total: ~ 1,000 cavalry troops Two batteries of artillery Separate aircraft and helicopter support units (740 bomber sorties F - 4 and 96 B - 52 sorties were flown </Td> <Td> <P> Total: ~ 2,500 troops </P> Separate 12.7 mm anti-aircraft gun and mortar units </Td> </Tr> <Tr> <Th_colspan="2"> Casualties and losses </Th> </Tr> <Tr> <Td> 499--1,700 </Td> <Td> 1,070--1,753 </Td> </Tr> <Tr> <Td_colspan="2"> See Casualties section </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Battle of Ia Drang Valley </Th> </Tr>

Who won the battle of ia drang valley