Welcome to Edition 8.30 of the Rocket Report! As I write this week’s edition, NASA’s Space Launch System rocket is undergoing a second countdown rehearsal at Kennedy Space Center, Florida. The outcome of the test will determine whether NASA has a shot at launching the Artemis II mission around the Moon next month, or if the launch will be delayed until April or later. The finicky fueling line for the rocket’s core stage is the center of attention after a hydrogen leak cut short a practice countdown earlier this month. As always, we welcome reader submissions. If you don’t want…