The four-strong crew of astronauts aboard the Artemis II mission’s Orion spacecraft achieved another historic first on Tuesday when they shared a ship-to-ship call with their colleagues on the International Space Station— the first ever moonship-to-spaceship radio linkup . During NASA’s Apollo missions of the 1960s and 1970s, the last time humans traveled into deep space, crews had no off‑world presence alongside them. NASA said that the station crew voiced their interest in the differences