Most of the AEC Mk Is and AEC Mk IIs were sent to the 8th Army in North Africa, Sicily, and Italy.
A few models were sent to the Yugoslavian partisans in 1944.
Most of the AEC Mk IIIs were used in Italy.
The AEC Mk III was used as a supporting vehicle to other armored cars in armored car regiments.
Post World War II
The Belgian Army used the AECs into the 1950s.