The XB-70 Valkyrie just barely fits inside the hangar at WPAFB Area B
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTB7ksK579HjDUpTEBROpRRZystE_0RTuAcqzDbcLDUnIjQhslBBPNG5YVycZV4JVBDxETkmw_O32DwqOTenCWvGnSvf9SRfe_S088BIoBU83Pup5ZSP_cRaHjXS0A1NfN-9rT4OD7fuyb/s400/X-Plane_Hangar_1.jpg)
This F-16 (AFTI) was used to test hundreds of new ideas from 1978 to 2000
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJyVf3aT69Ccd3ezNglCYQ6nttx7ULNyID3ScNxcnkLZsAWQL_1RM1UTfvHMQFktZH4l0xQONT0H_nNcTEwUMOGyxX3hCCggbsrkJVg1mVe7TH8XSfN-2roZDSTfdNbjWEqYVrSgKVxjNS/s400/General_Dynamics_ATFI_F-16.jpg)
The Fisher P-75A was unique in having twin counter-rotating propellers
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3qcnqpoppp9Bpu0egInQ7S0xYdDZgQWyIrIIbjssKRUFojjU_Z2wfIRW4hlU0d5XvxKsyCLATkWu6gxuba0kpswlwPL9uNg1OUfaI-U-Zl6nGsyHjc4KXlLh6U3Wggk06w9xn3YKzyLnI/s400/Fisher_P-75A_Eagle.jpg)
Northrop's X-4 was used to study flight characteristics at near-supersonic speeds
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgi5_Rdubs97GrLWxyqRanZFu_ypKyEsa0psUsdc8s5K_nUGbjSuB36CcJtJIuuv7QhQz3ng2umx-TlaZpXLTlSOtArTNAfkbOOJecrBA6HYG7aLSNkJyDHTBn2RdOm1_H3KgJegEKXMDHD/s400/Northrop_X-4.jpg)
The YF-23A was the losing design in the program that produced the F-22 Raptor
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgN83L-HdrONTBl97qkMKg0tZw8wrMQXv2jrCwZlwHVimjB1XRlMkQ0DJj92ABcsBtkSJUKlZtImjBTZijkTmj7wLIJXQ96f6g9rukqUpkuFeWpAgCUi5fxGnAQ_15TZhh1E_UHZgAmgSBk/s400/Northrop_McD-D_YF-23_Black_Widow_II.jpg)
Tacit Blue was used to test stealth technology during the development of the B-2
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVrmXNTYF_BVFdgtJzUc8W5eJVZw__AlqYbQlbSJRfILXIHDYqv88VUdbhZWfYPSGPu12cU24uZ7HtU0463zdPig10NABHcNXbc0mETY8ZXKylfQ8S6gjAlC3jyr8oloxAX1fZvOLAlUeH/s400/Tacit_Blue_2.jpg)
The Boeing YQM-94A was a remotely piloted recon prototype built in the 1970s
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_-sT6XoDpvEeebvaHXv3nkfPZvsQhXchavLy8nCrJrF_0hiTAQ6lOTf9VZ49D_hQwPIL5ZHauD0qZplSSUjs-zNFjv0K8Q6XbMzcdZ5zU3Adwyc4lBCtRB-7Da6Ngl0QdXgrwv4g19uJu/s400/Boeing_YQM-94A.jpg)
The Boeing X-40A was part of a USAF space vehicle program in the 1990s
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim6w77J8JAUa_byK19oDL0hZC86bWMbYbW3esX0Yqwlg6WTMi8M1PQM7TgHQGRqb-7CEtQZmWX556WAkSw5gDWgFVKgx_CmNEExn3vSPRhquYusforJ1H4zATMpoY3D1l3GgpSCqmjSysC/s400/Boeing_X-40A.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiV2uUiwHSIixyeW3kMzaXLo6ld7wGIwaRhylOoY_wHNRos_1skG1ohjKU-LzoOL89ab3U2jeoF49w7E-iixJymL2hDBYEOfDuY1Xc0EJo4r8DDQL1qywH73hsLSB4dF9xoC6qHBMSPqoQB/s400/Ryan_X-13_Vertijet_2.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHX-MKCNFf016sHQdN-3gmxDF5R4hdMNsc5bv_Vn_0QtxweeRrhTtuNXP94nzN-a8vX_Kqoqo_Zop4KSZWmdxmtuJR_U-pDmN30x1HJ6jZUktTWfHcjC9rksVE5hq2jvav-FCtmgE2SfBH/s400/North_American_F-107A.jpg)
The Douglas X-3 Stilletto tested new materials like titanium
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKktG0MD-WNHwsxyhwBbnvls9ur80gxUiCUKI5CbaKRh_v-RAYLD0VFF3_d7qrcrfXew6bebdNgjqtosP0gfRcCZnE0Kv66CIlTdIi0wNtwkgO6MDlr2zux14cCS9hWGkQbPLcxHn6Rky-/s400/Douglas_X-3_Stiletto.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjld0NJiF7DOj6T4PpYeSZjVyeFD_yJI1vx_RcykISBarsJm8CARKzaiSWnvwF1bM6oJA_DAWnUHhNoaUhBsWcibGNMrEa8Yu6fsvNpPoSNRLZ0Xj0yav5VkwZgcWwWKqevTHNgjP5x8ubk/s400/Republic_XF-91.jpg)
The Lockheed YF-12A was developed into the SR-71
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibY_n1qiDxIiWR4Yk8zmmPLFlFPFwUy93iYiKfh-jK4f6A5nVd0kcSCOpkaRCzNCY2xzuYCDp24d7ix_2u83_lYxZi1N1qSO8Z5UXpdxWRuDxrDyOkPtovvxod_PGJlZiSFc3I9ycLvlhD/s400/Lockheed_YF-12A_2.jpg)
As always, just a reminder that you can access any of the posts in this series by clicking on the USAF Museum tag in the navigation bar to the right or at the bottom of the posts.
The Valkyrie...one of my favorite aircraft of all time. I'd never heard of the P-75...a very interesting story. Thanks for the great post and pictures!
ReplyDeletehow wonderful i just love the museums..
ReplyDeleteThanks - it's an amazing place to visit for sure.
ReplyDeleteYou should check out some of my friend's photos as well, he took some great ones there:
http://www.flickr.com/photos/gunfighter157/