Roger B. Chaffee
... that when Roger B. Chaffee was selected for Apollo 1, he was the youngest American astronaut to earn a NASA mission assignment?
... that when <b id="mwAnw"><a href="./Roger_B._Chaffee" id="mwAn0" rel="mw:WikiLink" title="Roger B. Chaffee">Roger B. Chaffee</a></b> <i id="mwAn4">(pictured)</i> was selected for <a href="./Apollo_1" id="mwAn8" rel="mw:WikiLink" title="Apollo 1">Apollo 1</a>, he was the youngest American astronaut to earn a <a href="./NASA" id="mwAoA" rel="mw:WikiLink" title="NASA">NASA</a> mission assignment?<!--Special occasion hook for July 17-->