Reginald R. Myers, 85, a Marine Corps colonel who received the Medal of Honor in the Korean War for leading his vastly outnumbered force in an assault on a key position during the Battle of the Chosin Reservoir, died Oct. 23 at a hospice in West Palm Beach, Fla., of the effects of a stroke. He had lived in Jupiter, Fla., since moving there from Annandale in 1993.