An April launch is no longer possible for Artemis 1, which will send an uncrewed Orion capsule around the moon using a huge Space Launch System megarocket. And May could be difficult to hit as well.
NASA's Artemis 1 moon mission, 1st flight of new megarocket, won't launch until May : Read more
NASA's Artemis 1 moon mission, 1st flight of new megarocket, won't launch until May : Read more