Yes could be the IFF destruct device. A cover marked DANGER covered two buttons on the right hand side of the cockpit. The cover would be flipped up to expose the buttons and then the two buttons had to be pressed simultaneously.
This video allows you to scroll around the cockpit while the pilot is talking so you can take a closer look at the DANGER box and its location. If you go full screen you can zoom in on the location.
https://www.youtube.com/watch?v=hxYJ...ature=youtu.be