Lucid launched on Discovery for her first spaceflight, marking her debut mission in space exploration.
On June 17, 1985, Shannon Lucid embarked on her first spaceflight aboard the Space Shuttle Discovery as part of mission STS‑51‑G. This seven-day mission conducted crucial satellite deployments, making Lucid an early pioneer among women participating in such pivotal shuttle missions, thus laying the groundwork for subsequent missions and influencing women's roles in aerospace fields.