1955-2011 20th-century-history advanced advanced-aircraft advanced-concepts advanced-research advanced-systems advanced-technology aeronautical-engineering aeronautics aerospace aerospace-design aerospace-engineering aerospace-history aerospace-industry aerospace-pioneers aerospace-research aerospace-technology air-force aircraft aircraft-design aircraft-development aircraft-engineering aircraft-manufacturing airplanes american-history american-industry architects area-51 arms-race astronauts autobiography aviation aviation-history aviation-industry aviation-pioneers biography black-projects blackbird breakthrough business businessfigures certification cia clandestine clarence-"kelly"-johnson clarence-l.-"kelly"-johnson classified classified-information classified-operations classified-programs classified-projects cold-war cold-war-arms-race cold-war-era collaboration company-culture constructioncontracts corporate-culture covert-operations cutting-edge defense defense-contractor defense-industry design development engineering engineering-challenges engineering-feats engineering-innovation engineering-marvels engineering-projects espionage etc experimental experimental-aircraft f-117-nighthawk fiction fighter-jets general government government-contracts greatbritain groundbreaking helicopters high-performance-aircraft historical historical-memoir history industrial-espionage industry innovation innovation-culture intelligence intelligence-community intelligence-gathering inventions inventors jets jobs juvenileliterature kelly-johnson labor leadership legendary legendary-engineers legendary-projects lockheed lockheed-martin malpractice management manufacturing memoir military military-aircraft military-aviation military-contractors military-contracts military-engineering military-history military-industrial-complex military-intelligence military-technology miscellaneous miscellaneousscience national-security naturalists nature non-fiction operational-excellence operations pentagon personal-memoir physics project project-archangel project-blue-book project-management projects radar reconnaissance research research-&-development research-and-development science science-and-technology scientific scientific-advancements scientific-research scientists secrecy secret secret-missions secret-operations secret-programs secret-projects security skunk-works space space-exploration spaceflight spy-planes sr-71 sr-71-blackbird stealth stealth-technology steve strategic strategic-planning strategic-reconnaissance supersonic supplyanddemand team team-collaboration team-dynamics teamwork technological-advancements technological-innovation technology technology-development test-flight test-flights test-pilots thenaturalworld top-secret top-secret-operations top-secret-programs top-secret-projects u-2 u-2-spy-plane u.s.-air-force united-states unitedstates us-air-force vocationalguidance war warplanes weapons-development women