Five field regiments of the Royal Horse Artillery and Royal
Artillery are equipped with the versatile 105 mm light gun,
including the parachute and commando artillery regiments.
The light gun can be towed by a medium-weight vehicle
or carried around the battlefield underslung by a Chinook
helicopter. Royal Artillery L118 light guns are fitted with an
automatic pointing system (APS), which enables the gun to
be unlimbered and in action in 30 seconds. APS is based on
an inertial navigation system, operated via a touch screen, it
replaces the traditional dial sight.
![](https://i.ytimg.com/vi/mQENqq8O3CY/maxresdefault.jpg)