NASA has delayed the final ‘wet dress rehearsal’ of its massive 332ft SLS megarocket until March, to give engineers more time to complete ‘closeout activities’.
This includes a long list of tests and checks, on both the rocket, its systems, the launch pad and the Orion capsule strapped to the top.
This is the latest in a long line of delays to hit the $23 billion Space Launch System (SLS) project, which has been in development for more than a