Apollo recovery test in the Gulf of Mexico aboard MV <i>Retriever</i>. Astronauts Lovell, Roosa and Duke spent 48 hours inside CSM-007A on April 5-7, 1968, evaluating the capacity of the CM to support three astronauts waiting for a delayed recovery.
NASA; Scan by J.L. Pickering.
<a rel="nofollow" class="external free" href="http://www.apolloarchive.com/apollo_gallery.html">http://www.apolloarchive.com/apollo_gallery.html</a> (<a rel="nofollow" class="external text" href="http://www.hq.nasa.gov/office/pao/History/alsj/misc/apmisc-68-31882.jpg">direct link</a>)