Jim Hennesey, spokesman for The Sarens Group, explains the Endeavour's journey.
The Sarens Group teamed up with Toyota to create the dolly used to haul the US space shuttle through the streets of Los Angeles.
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The pair, including a man in his 50s, were struck around midday on the Pen y Fan mountain range in Powys, mid-Wales.
Rain this morning caught many of us out, however more to come as the day goes on.
Australia's first female PM Julia Gillard has told ITV News Wales about sexist barriers in politics and her affinity to her native Wales.