NASA Prepares SLS Rollback Amid Helium Issue; Japan Tightens Airline Immigration Rules

Key TakeawaysNASA is preparing to roll back its Space Launch System (SLS) rocket to the Vehicle Assembly Building (VAB) to address a helium flow interruption, likely delaying the Artemis II mission.The technical issue is expected to force NASA to miss its planned March 6 launch window for the first crewed lunar flyby in over 50 years.Japan has introduced a bill requiring international airlines to deny boarding to unauthorized visitors, shifting the burden of immigration enforcement to carriers.Aerospace con ...