The Lt Krulak mentioned was Victor Krulak, who went on to become a LTG in the USMC, and was father of Gen Charles Krulak, 31st Commandant of the Corps...
A good read about Victor Krulak: Brute: The Life of Victor Krulak, U.S. Marine
Standing up to LBJ over tactics and policy (ROE), and the conduct of the war in Vietnam in general cost him a fourth star and Commandant of the Marine Corps...He is credited with saving the USMC from being sub-summed into the Army, and relegated to a seagoing police force, while reinforcing civilian control over the military...
Thanks for posting that.
It only reinforces my belief that Johnson was the worst president ever.
Worse than Obama.