A ‘technology’ as old as the Gemini & Apollo programmes being 21 stereoscopic views of ‘John Glenn’s Historic Space Flight’.
To be viewed via the ‘View-master’ ‘binoculars’.
Yes a very old media, but still stunning images when viewed !
Its ‘own’ piece of vintage history portraying historic space flight !
N.A.S.A.'S Deep Space Network antennas at the above locations are inter-linked and jointly observe the solar system to aid interplanetary spacecraft missions.
Badge is in excellent damage free condition, and is a hard item to find, especially in the UK.
Badge diameter 75mm
(Further reading on this 'mission' is well worth while tom those interested in the subject matter).