<a href="https://en.wikipedia.org/wiki/Space_Shuttle_program" id="mwATQ" rel="mw:WikiLink" title="Space Shuttle program">Space Shuttle program</a>: <a href="https://en.wikipedia.org/wiki/STS-41-B" id="mwATU" rel="mw:WikiLink" title="STS-41-B">STS-41-B</a> is launched using <a href="https://en.wikipedia.org/wiki/Space_Shuttle_Challenger" id="mwATY" rel="mw:WikiLink" title="Space Shuttle Challenger">Space Shuttle Challenger</a>.