YF-22 .Prototype Development
- Software for the aircraft (35% of total avionics development cost)
- Developed by 8 geographically separated subcontractors
- Developed using different Ada compilers and hardware platforms
- 12 major avionics subsystems
- 650 Ada modules
- Millions of SLOC
- Integrated in 3 days!
“Nothing can compare with its [Ada’s] ability to integrate different efforts.” LTG Edmonds
Source: Guidelines for Successful Acquisition and Management of Software Intensive Systems, Vol. I, USAF, Feb 1995