On May 20, 1966, close to dusk and in a light rain, B Company, 1st Battalion, 8th Cavalry (ABN/AMB), 1st Brigade, 1st Cavalry Division, commanded by Capt. Roy D. Martin was airlifted by Chinook helicopters (CH-47s) into a small clearing located in the mountains east of the Vinh Thanh Valley, Republic of Vietnam. The clearing had been designated LZ Horse and could accommodate only one CH-47 at a time. The company had been ordered to the LZ to begin operations in search of a large NVA/VC force that had been heavily engaged with other units of the 1st Brigade since May 16th. Specifically, B Company along with C Company 1/8th were to link up on the morning of the 21st and generally proceed along a trail and streambed to the northeast of LZ Horse to engage and defeat an enemy force suspected of being in the area. Capt. William Mozey had arrived earlier that afternoon and had been committed in support of another unit who was heavily engaged to the north of LZ Horse. C Company had...
