Drill and tactics 23 Law and legislation 21 Ammunition 9 Artillery 9 Cavalry 9 Ordnance 8 Ordnance and ordnance stores 8 more ... Military engineering 7 Uniforms 6 Bugle calls 5 Explosives, Military 4 Insignia 4 Bugle 3 Fencing 3 Firearms 3 Gases, Asphyxiating and poisonous 3 Instruction and study 3 Military art and science 3 Military bridges 3 Military topography 3 Trumpet 3 Trumpet calls 3 War use 3 Aeronautics, Military 2 Armed Forces 2 Artillery drill and tactics 2 Cavalry drill and tactics 2 Colonial forces 2 Defensive (Military science) 2 English 2 less ...