The Defense Department this week handed out more than $1.7 billion worth of contracts to four companies for the production of Multi-Mode Receivers in support of the Global Air Traffic Management program. Rockwell Collins Inc., Cedar Rapids, IA, got the largest deal, for $505.7 million. Raytheon Systems Company, El Segundo, CA, won a $487.6 million award; Marconi Aerospace Systems, Wayne, NJ, won a $442.6 million contract; and AlliedSignal, Redmond, WA, received a $274.4 million deal. The Air Force's Electronic Systems...