John Tiltman broke prewar Russian and Japanese codes at Simla and Abbottabad.
[2] [3] Staff were from the Intelligence Corps, the British and Indian armies and the Royal Air Force.
[4] Work on BULBUL the IJA air-to-ground code which was first broken at Bletchley Park was transferred to the WEC as it provided valuable tactical information on Japanese air raids.
He received training in cryptography at GC&CS, and was in a BP SLU (Special Liaison Unit) in Singapore and possibly Java (for Wavell).
[8] Maurice Allen was an Oxford Don who with Wilfrid Noyce broke the Water Transport Code in spring 1943 at the WEC, the first high-level Japanese Army code broken (at the WEC and also at Central Bureau in Melbourne).