Imperial Japanese Navy fleet in the Pacific Ocean during Second Sino-Japanese War (World War II). Japanese vessels underway. Men on deck of a submarine underway.
Film begins showing view from deck of U.S. submarine running on the surface of the Pacific ocean during World War 2. Some cumulus and one cumulonimbus cloud ia seen in background. View of boat's bow looking down from the conning tower. Crew members are seen on the portside deck with strong bow wave visible beside the boat. One sailor in conning tower looks aft through binoculars. Another, on portside deck, appears to be reparing something. Officer, wearing a cap with Navy insignia is seen in several different poses.
A U.S. submarine underway in the Pacific Ocean during World War II. Aerial view of the submarine underway. A modern K-class blimp in flight overhead.
A U.S. submarine underway in the Pacific Ocean during World War II. Aerial view of the submarine underway. A K-class blimp in flight overhead. The submarine submerges in water.
A U.S. submarine underway in the Pacific Ocean during World War II. Aerial view of the submerged submarine in water. The periscope of the submarine on the surface of the water. The submarine slowly surfaces.
A U.S. submarine underway in the Pacific Ocean during World War II. Aerial view of the submarine underway. A K-5 airship in flight overhead.