Inside the underbelly gun compartment, looking up. Notice the hatch on the top through which the gunner has to wriggle into this small place.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/80441498@N00">Venkat Mangudi</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/venkatmangudi/25979194506/">P3221961</a>