60 mm. Mortar M19. FM 23-85 81 mm. Mortar M1. FM 23-90 Chemical Mortar 4.2 inch. FM 23-92 Signal Communication. FM 24-5 Signal Orders Records and Reports. FM 24-16 Signal Orders Records and Reports. FM 24-16 Communication Center Operation. FM 24-17 Field Wire Systems. FM 24-20 Field Wire Technique. FM 24-20 Motor Transport. FM 25-10 Interior Guard Duty. FM 26-5 Military Government. FM 27-5
