The Fighting Seabees

The name of this movie is The Fighting Seabees released in 1944-01-27 and it's main theme is Construction workers in World War II in the Pacific are needed to build military sites, but the work is dangerous and they doubt the ability of the Navy to protect them. After a series of attacks by the Japanese, something new is tried, Construction Battalions CBs=Seabees. The new CBs have to both build and be ready to fight..