Centcom mentioned the incident occurred round 14:00 ET (19:00 GMT) on Thursday and that the circumstances of the crash have been now beneath investigation.
The US army command unit added that the identities of the personnel who had been killed have been being withheld for twenty-four hours so their subsequent of kin could possibly be notified.
The KC-135 usually has a crew of not less than a pilot, a co-pilot and a increase operator chargeable for controlling the refuelling arm of the plane.
Centcom earlier described the crash as taking place over pleasant airspace – however it is a area of Iraq the place pro-Iranian militias function. Iran’s army claimed on state TV that an allied group had focused the plane with a missile.
Thursday’s crash brings the official US army demise toll in the US-Israel warfare with Iran, which started a fortnight in the past, to 11.
The US army has now misplaced not less than 4 plane through the present warfare.
Earlier this month, three F-15s were shot down in “an apparent friendly fire incident” over Kuwait, officers mentioned. All six crew members have been in a position to safely eject.
Boeing manufactured the KC-135 Stratotanker for the US army in the Nineteen Fifties and early Sixties.
It has been a spine to the US army’s air refuelling fleet, and permit fight plane to hold out longer missions while not having to land.