Be a ship's officer in the U.S. merchant marine for information to become a cadet-midshipman U.S. Merchant Marine Cadet Corps United States Maritime Service 1943 Dimensions: 41.75 x 28 inches Published [Washington, D.C.] : U. S. Government Printing Office : 1943--O-526093 National Archives: 44-PA-442. From http://www.usmm.net/postertrain2.html.

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