The photograph shows a group of three men on radios, taking part in Exercise Polar Bear on Salisbury Plain in Wiltshire.

The photograph shows unknown soldiers with binoculars as part of Exercise Polar Bear on Salisbury Plain in Wiltshire.

The photograph shows three unknown soldiers with a missile, as part of Exercise Polar Bear on Salisbury Plan in Wiltshire.

The photograph shows an unknown soldier lying in wait while military vehicles drive past as part of Exercise Polar Bear on Salisbury Plain in Wiltshire.

Part-time soldiers took part in Exercise Polar Bear alongside regular Army and Special Air Service Units, watched by defence secretary Tom King. Sandra Massey of Campbell Close in Tamworth is quoted. Stonehenge, Walsall, Tamworth, Stafford, Lichfield, Sto