MIL-T-23991E, MILITARY SPECIFICATION, TRAINING DEVICES, MILITARY; GENERAL SPECIFICATION FOR (20 FEB 1974)

MIL-T-23991E, MILITARY SPECIFICATION, TRAINING DEVICES, MILITARY; GENERAL SPECIFICATION FOR (20 FEB 1974)., This specification covers the general requirements for the selection of materials, parts, processes, design, and the quality assurance of training devices used for the training of personnel in military operations and technical specialties.