This US Army manual titled "FM 3-50 DELIBERATE SMOKE OPERATIONS SC/1984" is an authentic piece of militaria history. It provides detailed information on smoke operations used by the US Army during the 1980s. The manual is in excellent condition and is a must-have for collectors of militaria artifacts. The manual covers various aspects of smoke operations, including the types of smoke, their properties, and effects, as well as the methods of employment. It also provides detailed instructions on the preparation, handling, and storage of smoke materials. This original piece is a valuable addition to any militaria collection and is a great resource for anyone interested in the history of US Army smoke operations.