NEEMO 11 astronaut/aquanauts <a href="https://en.wikipedia.org/wiki/Sandra_Magnus" class="extiw" title="en:Sandra Magnus">Sandra H. Magnus</a> (left), commander of NEEMO 11, and <a href="https://en.wikipedia.org/wiki/Robert_L._Behnken" class="extiw" title="en:Robert L. Behnken">Robert L. Behnken</a> inside the Aquarius underwater habitat off Key Largo, Florida. Fellow astronaut/aquanaut <a href="https://en.wikipedia.org/wiki/Timothy_Kopra" class="extiw" title="en:Timothy Kopra">Timothy L. Kopra</a> is seen outside the habitat through the porthole.
NASA
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