Your English is better than my Dutch! This is where the Saturn was launched in the '60s. It was a 2-stage, 190 foot tall vehicle that was fully operational after only 7 research and development flights. Operationally, it was used to launch the Pegusus satellite.
It's also the site that the Apollo 1 spacecraft caught fire
You can always read more about it here. https://en.m.wikipedia.org/wiki/Cape_Canaveral_Air_Force_Station_Launch_Complex_34
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