img pdf

Sources

https://www.fbo.gov/index?s=opportunity&mode=form&id=2526c938060174acc9cc77ba6caec68a&tab=core&_cview=0&cck=1&au=&ck=

http://www.vandenberg.af.mil/news/story.asp?id=123201119

http://www.wired.com/dangerroom/2010/04/pentagons-mach-20-glider-disappears-whacking-global-strike-plans/

https://www.fbo.gov/?s=opportunity&mode=form&id=08c8546be235c501bf82939e87c6fac0&tab=core&_cview=0