3.5K views · 48 reactions | Two of the four RS-25 engines that will fly on #Artemis II have quite a long history. They've powered 20 shuttle missions and carried more than 100 astronauts to orbit. Before more astronauts can be added to this impressive list, the core stage of NASA's Space Launch System rocket, complete with the RS-25s, will make its way via a barge to NASA's Kennedy Space Center. | L3Harris Technologies | Facebook