Muscle-powered personal weapons (Meleé)
Armor etc.
Small arms firearm
medieval siege weaponry
ammunition
Military unit
Communications
Military vehicles[?]
Aircraft (For a list of individual military aircraft types, see aircraft types.
Fortification
Doctrines
... known as Gyrotwister, is a gyroscopic toy sold commercially as a wrist exerciser device. Once the gyroscope inside it is going fast enough, for example after starting it ...