One of Tumbler-Snappers objectives was to see how soldiers and military equipmentincluding one of only two Lockheed XF-90 fighters ever builtreacted to the detonation. Jet aircraft (including the ...

and Lockheed Aircraft proposing the XF-90 design respectively in response to the Air Force’s proposal. North American Aviation (NAA), however, sought to adapt an existing design from their F-86A ...