July 17, 2023 Hack-A-Sat’s Moonlighter satellite deploys to low earth orbit after last month’s successful launch Moonlighter reached low earth orbit July 5 after a short visit at the International Space Station and is on track for its inaugural mission: to host an on-orbit cybersecurity challenge during Hack-A-Sat 4 finals, making it the first on-orbit Capture the Flag, or CTF, hacking competition.