Director of Gunnery and Anti-Aircraft Warfare Division (D.G.D.) Requirements in gunnery and ordnance include: (i) V/T fuzes and U/T jamming devices. (ii) Fire control apparatus based on centimetre radar. (iii) A reported new flashless and smokeless propellant. (iv) Ship to ship, ship to aircraft, and shore to ship rocket practice. (v) Shells with bodies shaped in order to ensure the trajectory of the projectile through the air being projected without distortion, under water. (vi) Piloted rocket propelled projectiles, i.e.