He was the recipient of two Navy Crosses during the Korean War, the United States military's second-highest decoration awarded for valor in combat.
On December 7, 1941, Second Lieutenant Roise was stationed on board the USS Maryland in Battleship Row when the Japanese attacked Pearl Harbor.
[2] On September 17, after repelling another hostile attack, Roise led his battalion forward eight miles and succeeded in capturing Kimpo Airfield.
Quickly setting up a defensive perimeter, Roise's battalion repelled a counterattack of several hundred enemy troops that night and into the early morning hours.
[2] During the battle of Seoul on September 24, Lieutenant Colonel Roise, directing the assault companies in smashing the enemy's main line of resistance outside the city, was wounded when his forward observation post was subjected to a mortar barrage.
[1] Lieutenant Colonel Roise's battalion was in the point position during the defense of Yudam-ni and he led his assault units in an attempt to capture enemy-held terrain during a blizzard.
He also attended the National War College in Washington, D.C. From January to November 1960, Colonel Roise served as the commanding officer of the 7th Marine Regiment.