Slow motion views of a high-speed planetary penetrator impact into 10 tonnes of ice at 341 m/s. The test was conducted on 11 July 2013 at the rocket sled test facility at the Ministry of Defence Pendine site in Wales, UK. The tests were conducted as part of ESA’s Core Technology Programme under the Future Missions Preparation Office. They are being led by Astrium UK, with involvement by Mullard Space Science Laboratory, Qinetiq and Rapid Space Technologies.