<a href="https://en.wikipedia.org/wiki/Apollo_program" id="mw3w" rel="mw:WikiLink" title="Apollo program">Apollo program</a>: <a href="https://en.wikipedia.org/wiki/Astronaut" id="mw4A" rel="mw:WikiLink" title="Astronaut">Astronauts</a> <a href="https://en.wikipedia.org/wiki/Gus_Grissom" id="mw4Q" rel="mw:WikiLink" title="Gus Grissom">Gus Grissom</a>, <a href="https://en.wikipedia.org/wiki/Ed_White_(astronaut)" id="mw4g" rel="mw:WikiLink" title="Ed White (astronaut)">Ed White</a> and <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Roger_Chaffee" id="mw4w" rel="mw:WikiLink" title="Roger Chaffee">Roger Chaffee</a> are killed in a fire during a test of their <a href="https://en.wikipedia.org/wiki/Apollo_1" id="mw5A" rel="mw:WikiLink" title="Apollo 1">Apollo 1</a> spacecraft at the <a href="https://en.wikipedia.org/wiki/Kennedy_Space_Center" id="mw5Q" rel="mw:WikiLink" title="Kennedy Space Center">Kennedy Space Center</a>, <a href="https://en.wikipedia.org/wiki/Florida" id="mw5g" rel="mw:WikiLink" title="Florida">Florida</a>.