The Leatherneck is the standard Marine magazine, but beginning in July 1944 the Leatherneck – Pacific Edition was created for the Marines stationed in the Pacific. The Leatherneck became the Stateside edition and the Leatherneck – Pacific Edition became the Overseas edition. Neither was available in the others territory. Format approximately 8-1/2 x 11 inches 1940 – November 1943 and 10 x 13 inches December 1943 – 1945