I. Battle tanks
Tracked or wheeled self-propelled armoured fighting vehicles with high cross-country mobility and a high level of self-protection, weighing at least 16.5 metric tonnes unladen weight, with a high muzzle velocity direct fire main gun of at least 75 millimetres calibre.

II. Armoured combat vehicles
Tracked, semi-tracked or wheeled self-propelled vehicles, with armoured protection and cross- country capability, either: (a) designed and equipped to transport a squad of four or more infantrymen, or (b) armed with an integral or organic weapon of at least 12.5 millimetres calibre or a missile launcher.

III. Large calibre artillery systems
Guns, howitzers, artillery pieces, combining the characteristics of a gun or a howitzer, mortars or multiple-launch rocket systems, capable of engaging surface targets by delivering primarily indirect fire, with a calibre of 100 millimetres and above.

IV. Combat aircraft
Fixed-wing or variable-geometry wing aircraft designed, equipped or modified to engage targets by employing guided missiles, unguided rockets, bombs, guns, cannons, or other weapons of destruction, including versions of these aircraft which perform specialized electronic warfare, suppression of air defence or reconnaissance missions. The term "combat aircraft" does not include primary trainer aircraft, unless designed, equipped or modified as described above.

V. Attack helicopters
Rotary-wing aircraft designed, equipped or modified to engage targets by employing guided or unguided anti-armour, air-to-surface, air-to-subsurface, or air-to-air weapons and equipped with an integrated fire control and aiming system for these weapons, including versions of these aircraft which perform specialized reconnaissance or electronic warfare missions.

VI. Warships
Vessels or submarines armed and equipped for military use with a standard displacement of 750 metric tonnes or above, and those with a standard displacement of less than 750 metric tonnes, equipped for launching missiles with a range of at least 25 kilometres or torpedoes with similar range.

VII. Missiles and missile launchers
Guided or unguided rockets, ballistic or cruise missiles capable of delivering a warhead or weapon of destruction to a range of at least 25 kilometres, and means designed or modified specifically for launching such missiles or rockets, if not covered by categories I through VI. For the purpose of the Register, this category:

(a) Also includes remotely piloted vehicles with the characteristics for missiles as defined above;
(b) Does not include ground-to-air missiles.