|COL James A Gallo jr. Unknown|
Result U.S. victory
|Dates 23 Aug 1966 – 5 Sep 1966|
|55 killed, 151 wounded 181 killed, 66 captured|
Combatants Viet Cong, United States of America
Similar Operation Shed Light, Battle of Suoi Bong Trang, Battle of Gang Toi, Operation Chenla II, Battle of Suoi Chau Pha
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.
Operation Beaver Cage was an operation by Special Landing Force Alpha comprising 1st Battalion 3rd Marines and HMM-263 against the Vietcong base areas in the Que Son Valley south of Danang
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On 5 May as the Battalion headquarters was being withdrawn by helicopters it was attacked by Vietcong mortar and small arms fire, the assault was repulsed without loss.
On 9 May Beaver Cage was joined with Operation Union. On 10 May Companies B and C engaged a large Vietcong unit killing 86 Vietcong.
The operation concluded on 12 May, Marine losses were 55 dead and 151 wounded, while Vietcong losses were 181 killed and 66 captured.