WASHINGTON — Delays in the completion of a new Crew Dragon spacecraft will extend the stay of astronauts on the International Space Station by a month, including two who have been there since June. NASA announced Dec. 17 that it was delaying the launch of the Crew-10 mission to the ISS, previously scheduled for February, to no earlier than late March. NASA, in its statement, cited the need to provide additional time to complete a new Dragon spacecraft that will be used for the mission. “Fabrication, assembly, testing, and final…