Vintage 1967 81-MM Mortar Field Book, FM 23-90 - Department Of The Army For Sale

The Vintage 1967 81-MM Mortar Field Book, FM 23-90 - Department Of The Army is an original piece of militaria collectible from the Vietnam War era. Made in the United States, the field book provides valuable insights into the military tactics and operations of the time. This historical document serves as a tangible link to the past, offering a unique perspective on the conflict in Vietnam.