#space-launch-system

NASA has about three weeks to complete repairs to the Space Launch System's upper stage before the next Artemis 2 launch window opens in early April. The agency rolled the rocket back to the Vehicle Assembly Building after a helium flow problem that couldn't be diagnosed at the launch pad.

NASA has hauled its massive Space Launch System rocket back to the Vehicle Assembly Building after engineers discovered they couldn't repressurize the upper stage's helium system. The problem pushes the Artemis 2 crewed lunar mission from March to no earlier than April 1.