Operation Beaver Cage
Operation Beaver Cage was a U.S. Marine Corps operation in the Que Son Valley that took place from 28 April through to 12 May 1967.
The operation commenced with a helicopted assault into the valley at 07:00 on 28 April. Contact was minimal until the night of 2 May when a Vietcong unit attacked Company C's night defensive position and was forced back by artillery and AC-47 gunfire.
On 5 May as the Battalion headquarters was being withdrawn by helicopters it was attacked by Vietcong mortar and small arms fire, the assault was repulsed without loss.:158-9
The operation concluded on 12 May, Marine losses were 55 dead and 151 wounded, while Vietcong losses were 181 killed and 66 captured.:159
- Telfer, Gary (1984). U.S. Marines in Vietnam: Fighting the North Vietnamese 1967. History and Museums Division, Headquarters, U.S. Marine Corps. p. 158. ISBN 978-1494285449.