As a result of the error the Army Nike Air Max 1 Maroon has introduced two additional safeguards. In future an extra person a senior gunnery instructor will be present and overseeing procedures when live firing takes place and further checks will be carried out on the charge bags which are loaded into the guns.
five miles off course and exploded in a farmer's field in Patney was due to the charge being too big, says the Army.
Army apology for its wayward shell From This Is Wiltshire
The shell exploded in farmer Andrew Snook's field on Wednesday, March 5, leaving a 6ft by 6ft crater about 300 metres from the Paddington to Penzance railway line. No one was injured.
The shell was fired from a 105 Light Gun on the south of Salisbury Plain military training area but the wrong charge meant the shell went further than it should have done.
An Army spokesman said: "When the artillery shell was fired it was going in the right direction and it should have landed in the Salisbury Plain impact area but the charge was too big and it sent the shell beyond the intended target. The initial findings of the investigation are it was caused Air Max One Yeezy