Equipment used to warm aircraft engines pictured near a U.S. Navy Douglas R4D <i>Skytrain</i> on the ice in Antarctica during Operation Highjump.
U.S. Navy
<a rel="nofollow" class="external text" href="http://collections.naval.aviation.museum/emuwebdoncoms/pages/doncoms/AdvQuery.php">U.S. Navy National Museum of Naval Aviation</a> photo No. <a rel="nofollow" class="external text" href="http://collections.naval.aviation.museum/emuwebdoncoms/pages/doncoms/Display.php?irn=53940&amp;QueryPage=%2Femuwebdoncoms%2Fpages%2Fdoncoms%2FAdvQuery.php">1986.056.001.502</a>