Tactical Document, E.C.S. Parker
This is an untitled, period document on subchaser tactics attributed to E.C.S. Parker.
It is among the more detailed documents covering ship-to-ship communications, signals, attack formations and attack tactics for U.S. subchasers. Note that this document describes an early, atypical unit configuration. The standard arrangement for chasers was a three-unit configuration.
Image scan in ,jpg format. 33 pages plus two contents pages. G.S. Dole collection.