512 STRE

The unit was set up in Maryland, USA [just outside Washington DC] in the US Defense Mapping Agency Hydrographic/Topographic Center [DMAHTC} in the 1960's. The unit consisted of an OC [Major}, WO2, and a civilian clerk [in the office] and three teams of 3 [1 officer and 2 SNCO's]. The field teams went worldwide carrying out doppler[satellite] surveys and they all did one year, whilst the office staff did 2 years.

With thanks to Roger Jones for supplying this information