Original U.S. WWII Office of Naval Intelligence ONI 41-42 Japanese Naval Vessels Identification Guide Book - Unused Condition Martini-Henry Parts Nicely marked on the right

Nicely marked on the right side with the magnification information:

as it is quite certain very few survived over the years

The distinctive unit insignia was originally approved for the 87th Mountain Infantry Regiment on 21 October 1942

indicating the stock inspection several years later

It is basically a rigid version of the M1915 Field Cap with a rigid fiber or leather visor

Original U.S. WWII Office of Naval Intelligence ONI 41-42 Japanese Naval Vessels Identification Guide Book - Unused Condition Martini-Henry Parts Nicely marked on the rightOriginal Item: Only One Available. Now this is a fantastic condition Office of Naval Intelligence identification book for Japanese Naval Vessels. The book is in wonderful condition and does not appear to have ever been used, or was just very lightly used. This type of knowledge is very important when it comes to large scale warfare. The battlefield, seas and airspace get heavily clouded with friendly and enemy vehicles, so it is important to be able