Operation Oregon

Operation Oregon
	Part of Vietnam War
	; US Marines enter a Viet Cong tunnel complex during Operation Oregon.
Date	19–23 March 1966
Location	Thừa Thiên Province, South Vietnam16°40′06″N 107°23′40″E / 16.66833°N 107.39444°E
Result	U.S. claims victory
Belligerents
United States	Viet Cong
Commanders and leaders
BG Lowell English; LCOL Ralph Sullivan	;
Units involved
1st Marine Division 1st Battalion 4th Marines; 2nd Battalion 1st Marines;	802nd Battalion
Casualties and losses
11 killed	US body count: 48 killed; 8 captured

Operation Oregon was a United States Marine Corps operation that took place on the Street Without Joy about 36 km northwest of Huế, lasting from 19 to 23 March 1966.