Finding a Russian Tochka missile launch site...probably
Excellent work! The ‘aha!’ moments really shine through.
Amazing stuff and I appreciate your detailed analysis - you're providing very valuable information in a clear way (which many of the OSINT folks don't do).
If you haven't already, read MOST SECRET WAR by Professor R V Jones. It describes how the British, aided by Poles, French and others, elucidated the development of the V1 flying bomb and V2 rocket, including launch sites, trajectories and so on.