#SLS EM-1 is now NET 15 Dec. 2019. EM-3 has received a preliminary flight plan for a 16-26 day mission. #NASA https://t.co/Z4CGMwnKTp— Chris G (@ChrisG_SpX) September 22, 2017
#SLS EM-1 is now NET 15 Dec. 2019. EM-3 has received a preliminary flight plan for a 16-26 day mission. #NASA https://t.co/Z4CGMwnKTp