01/17/2012 - Salute to the Navy (1943)

The Internet Archive contains plenty of great films from the WWII era. This one is a salute to the USS Navy. In the end it briefly profiles the USS San Francisco and the Battle (where Frank Slater was killed).  According to the Archive the film dates from 1941, but that's impossible since many of the events it discusses occurred in 1942.

While the film does not profile Destroyer Escorts (since it was probably made in 1942), it does contain segements that profile the guns used by DEs (20mm, 40mm, 1.1 and 5"38, but no 3"50). It also contains a lightline transfer of mail to a 4-piper destroyer.