This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Heatxp test . en Static test of the HEAT rocket engine copenhagensuborbitals php copenhagen suborbitals cczero Uploaded with Rocket engine tests Copenhagen Suborbitals
Page 2023 Free-images.com. All images are Public Domain