Signal communication / prepared under direction of the Chief Signal Officer - USA Basic Field Manual, FM 24-5 Soldier's handbook / prepared under direction of the Chief of Staff - USA Basic Field Manual, FM 21-100 Soldier's handbook / prepared under direction of the Chief of Staff - USA Basic Field Manual, FM 21-100 Regulations prescribing standard for field firing and the proficiency test Instruments : Sights, quadrants, and fuze setters, antiaircraft artillery - USA Voorschrift, Technical Regulations, No. 1310-50 Coast artillery corps : Gunnery for antiaircraft artillery - USA Voorschrift, Training Regulations No. 435-160 Coast artillery corps : Gun drill, mobile mount, antiaircraft artillery - USA Voorschrift, Training Regulations No. 435-250 Field artillery : Field artillery firing - USA Voorschrift, Training Regulations, No. 430-85 Range regulations for firing ammunition in time of peace - USA Voorschrift, Training Regulations, No. 140-5 Range regulations for firing ammunition in time of peace - USA Voorschrift, Army Regulations, No. 750-10 Signal corps : Wire axis installation and maintenance within the division - USA Voorschrift, Training Regulations, No. 165-5 Air corps : Flying; general - USA Voorschrift, Army Regulations, No. 95-15