Hallo, after the War HQ of the British Army was at Bad Oeynhausen. so Monchengladbach makes not much sense. Later 1(BR) Corps was at Bielefeld. So the most activities were at Bielefeld. No sense for the soviets to go to MG. MG would have been interesting after 1 (BR) Corps moved to MG. By then SOXMIS was not existing any more.(Now the Russian spies are around MG but not with special numberplates) We are looking for the town, in which nearly every European country had a military liaison mission after WW2. Most of them closed down after a short while. The thing was called Allied Liaison Branch and attached were: BE , DK, F, L, NL, N, CZ, JS, G,SU. As everybody can see there is not much known about SOXMIS . Frank