Army commanders say a new contract to service attack helicopters based at Wattisham in Suffolk will save the tax payer millions of pounds.
The Ministry of Defence has signed a six year deal which its says will simplify the supply chain and improve technical support for the Apache fleet.
Army attack helicopters have been taking part in a live firing exercise in Norfolk.
Pilots and ground crew from Wattisham Flying Station in Suffolk are about to leave for a four month tour of duty in Afghanistan.
They have been firing the Apache's 30mm cannon, rearming and refuelling at the Stanford Training area near Thetford.