Maj, Gen. David H. Berger, Combat Center Commanding General, kneels in prayer during the memorial service for retired Marine Col. M.J. 'Mac' Dube at the base Catholic chapel, June 13, 2014. Dube enlisted in the Marine Corps in 1951 during the Korean War, and later commission in 1958. - Maj, Gen. David H. Berger, Combat Center Commanding General, kneels in prayer during the memorial service for retired Marine Col. M.J. 'Mac' Dube at the base Catholic chapel, June 13, 2014. Dube enlisted in the Marine Corps in 1951 during the Korean War, and later commission in 1958.