Howitzers and Guns
Self-propelled artillery remains important in the equipment of many modern armies. It saw a significant role throughout the Cold War era conflicts and in the recent Gulf Wars.
Modern SP artillery is highly computerized with the ability to self survey firing positions using systems such as GPS and inertial navigation systems. This, in conjunction with digital fire control/ballistic computers and digital communications, allows individual guns to disperse over a wide area and still deliver rounds on target simultaneously with the other guns in their battery.
These capabilities also increase survivability manyfold as modern SP artillery can displace and avoid counterbattery fire much more quickly and effectively and if desired more frequently than previously possible. In conjunction with modern logistic systems (where the SP gun's systems can track and report on ammunition consumption and levels) with similar navigation systems and palletized load dropping/lifting capabilities mean that the rapid displacement can occur without significant disruption to actually firing missions as it is possible for the ammunition to keep up with the guns.
A modern battery of six guns, each firing 43 kg projectiles with a burst firing speed of four rounds per minute, can deliver over a metric tonne of ordnance per minute for up to four minutes. This is an immense weight of fire which can be delivered with very high accuracy.
One example of the increased firepower provided by modern mobile howitzers is the latest version, the G6-52, of the 155 mm G6 howitzer. It can fire up to 6 rounds in quick succession which will land nearly simultaneously. This is achieved by firing the shells at different trajectories so that the first round has the longest flight time and the last round the shortest. The necessary rapid reloading is made possible by an automated ammunition feed system.
Read more about this topic: Self-propelled Artillery
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