Perham Down is a village in Wiltshire, England, in Tidworth parish on the eastern edge of Salisbury Plain. It lies on a minor road about 1+1⁄2 miles east of the town of Tidworth and 1+1⁄4 miles southwest of the town of Ludgershall. From Wikipedia
Wiltshire Police have informed next of kin as formal identification proceeds following a high-risk search operation