Rear Adm. Ben Moreell gives a brief prologue and epilogue. Pacific operations include base construction at Dutch Harbor and Attu in the Aleutians, landing operations, base and airfield construction, ship salvage, and malaria control at Guadalcanal, Rendova, and Munda in the Solomon Islands. Also shows base and dock construction in Scotland and Oran, Algeria, and preinvasion plans for Italy. Scenes of Sicily invasion and landing at Salerno. Includes many battle scenes.

Obtained from the National Archives at College Park Motion Pictures (Local Identifier: 226C6527)