The High Down Rocket Test Site is a former Rocket Testing facility on High Down near The Needles.
The remains of the High Down Test Site are a rare example of a 1950s British rocket test facility, built at a time when the country was amongst
a handful of nations at the forefront of rocket and missile technology. Internationally, large rocket testing facilities of this date are uncommon...
Wikipedia https://en.wikipedia.org/wiki/High_Down_Rocket_Test_Site
Address PO39 0, United Kingdom
Coordinates 50°39'40.727" N -1°34'41.676" E