The ARRSEPedia is the British Army encyclopedia that anyone can edit.
Steak without the trimmings. Also a small part of Wiltshire to which the entire British Army decamps every summer to go on exercise, where it is known as Salisbury Plain Training Area (SPTA).
Split into a variety of training areas, and surrounded by a number of garrisons and camps such as Warminster, Larkhill, Tidworth and Bulford.
Some more information on this fascinating tract of countryside is available here.