Cannon then served as Chief of the Joint U.S. Military Advisory Group which advised the Philippine government during its effort to stop the Hukbalahap insurgency."U.S. Aide Accused on Vote by Quirino; Defeated Philippine Chief Says General Cannon Ordered Officers to Interfere", The New York Times, p. 10, November 19, 1953 "Manila Meddling is Denied by U.S; Embassy Cites Order Barring Interference by 26 Officers Assigned to Observe Vote", The New York Times, p. 2, November 20, 1953 The Philippines: The People's Choice, TIME Magazine, November 23, 1953]The quiet warrior: a biography of Admiral Raymond A. Spruance, by Thomas B. Buell, 1987, page 452In the Midst of Wars: an American's Mission to Southeast Asia, by Edward Geary Lansdale, 1991, page 121List of Visiting Dignataries, The Cavalier, published by the Philippine Military Academy Alumni Association], January–February 2008, page 53
