Army's new Watchkeeper drone to patrol Wiltshire skies
24 February 2014 Last updated at 13:14 GMT
A drone, one of 54 bought by the Army for £850m, is to begin flying over Wiltshire this week.
It is the first time an "Unmanned Aircraft System" (UAS) has been cleared to use civilian airspace in the UK, on what is likely to become a permanent arrangement.
Ben Moore reports.