North American B-25J Mitchell WW2 medium bomber "Maid in the Shade." Jabara Airport, Wichita, Kansas. September, 2013.
The Mitchell's turret gunner would've been stationed in the gun turret atop the fuselage (behind the cockpit).
You can read more about this flying piece of WW2 history at http://www.kansas.com/2013/09/17/3006100/wwii-flying-museum-visits-wichita.html