"Elon Musk, the chief executive of Orbital’s competitor SpaceX, has long warned against using such decades-old technology. Calling it one of the “pretty silly things going on in the market,” he
told Wired last year some aerospace firms rely on parts “developed in the 1960s” rather than “better technology.” He called out Orbital Sciences in particular. It “has a contract to resupply the International Space Station, and their rocket honestly sounds like the punch line to a joke,” he said. “It uses Russian rocket engines that were made in the ’60s. I don’t mean their design is from the ’60s — I mean they start with engines that were literally made in the ’60s and, like, packed away in Siberia somewhere.” WaPo