Lcdr. John R. Madison prepares to go up ladder from control room of USS Muskallunge (SS 262) at submarine base New London, Connecticut. Lt. William B. Robb is at his station.

Lt. Cdr. A.F. Fleming, fighter director, in plot room of USS Lexington (CV-16) during a strike in the Gilbert & Marshall Islands.

Production. Submarines. Gaining practical experience after months in the classroom, a young naval ensign confers with a foreman on the conning tower of a submarine under construction at Manitowoc, Wisconsin

Crewmen transferring a torpedo from a submarine tender to a submarine about to leave on war patrol.

Cdr. E.J. Steichen on framework below flight deck taking combat photos with K-20 camera. USS Lexington (CV-16).

Capt. Edward J. Steichen, USNR, (retired), photographic expert, on island platform, studies his surroundings for one of his outstanding photographs of life aboard an aircraft carrier. Capt. Steichen held the rank of Comdr. at this time.

Men relax aboard USS Cero (SS-225). New London, Conn

RADM Ralph W Christie and LCDR Walter T Griffith on USS Bowfin

Production. Submarines. On the shores of America's inland waterways, many underwater crafts are being constructed. This submarine is undergoing finishing touches in a small bay at Manitowoc, Wisconsin