At the core of Isaacman’s concerns is the low flight rate of the SLS rocket and Artemis missions. During past exploration missions, from Mercury through Gemini, Apollo, and the Space Shuttle program, NASA has launched humans on average about once every three months. It has been nearly 3.5 years since Artemis I launched.

NASA is aiming for an April 1 launch date for a mission that will send astronauts around the moon and back as part of its ambitious lunar landing program. Four astronauts will fly aboard NASA’s Orion spacecraft,

NASA Administrator Jared Isaacman announced significant changes to the agency's Artemis program, which aims to land on the moon in 2028.

NASA is revamping its Artemis moon landing program. NASA's new administrator Jared Isaacman announced the shake-up in the flight lineup Friday, days after the space agency's new moon rocket returned to its Florida hangar for more repairs.

NASA will host a news conference at 3 p.m. EDT on Thursday, March 12, at Kennedy Space Center to highlight progress toward the Artemis II mission, the first crewed flight of the Artemis program, which is intended to carry astronauts around the Moon.