NASA rules out regarding adding of crew for the SLS rocket launch in 2019.
NASA's Mars journey will initiate its qualification test on the world's most powerful rocket, the Space Launch System (SLS), on June 28.
NASA and the United Arab Emirates space agencies will collaborate on the outer space exploration after an agreement was signed on June 12, Sunday.
NASA's Space Launch System is set to be completed in Nov. 2018, and could hold the key to future Mars and deep space missions.
