Exercise "CPX Two" - Left-Right, Filed Marshal Viscount Montgomery, deputy supreme commander and director of the exercise, with General Omar N. Bradley, Chairman of the U.S. joint chiefs of staff. Top ranking army, navy and air force leaders of the Atlantic Pact nations, are taking part in the exercise "CPX Two" (command post number two) which started March 9th, at camp Voluceau, near the S.H.A.P.E. headquarters, at Louveciennes, twelve miles outside of Paris. March 31, 1953. (Photo by Associated Press Photo).