Boeing-Sikorsky RAH-66 Comanche helicopter, originally the LHXSikorsky Aircraft/Richard Zellner/AP Wide World Photos
Any attempt to formulate all possible requirements at the start of a project will fail and would cause considerable delays.
PAHL AND BEITZ , ENGINEERING DESIGN
The committee believes that getting to a state of clear and complete system-level requirements requires the interaction with potential contractors that occurs between Milestones A and B.
JAMES GARCIA, FOR THE AIR FORCE STUDIESBOARD COMMITTEE ON PRE-MILESTONE AAND EARLY-PHASE SYSTEMS ENGINEERING
The general had spent ...