OP 1664 - U.S. Explosive Ordnance (Vol. 1); Part 2 - Rocket and Rocket Fuzes; Chapter 5 - Primers and Tracers; Section 2 - Army Rockets (Service Type): 7.2-inch Chemical M25 and M27

U.S. EXPLOSIVE ORDNANCE

PART 2 - ROCKET AND ROCKET FUZES

Chapter 5 - ROCKET BODIES

Section 2 - ARMY ROCKETS (SERVICE TYPES)

7.2-inch Chemical M25 and M27

In the 7.2-inch size, the Army has standardized the chemical round designed by the Navy. See Navy chemical warfare rocket, pages 178 and 179.