Boeing executives today defended the company's efforts to win recent programs, just one day after the chief executive of Lockheed Martin hinted the prices they bid might result in losses. Boeing recently won the MQ-25 unmanned tanker, Huey helicopter replacement and T-X trainer contracts . However, the contractor announced today that while its defense business achieved quarterly sales of $5.7 billion, up 13 percent from the same period a year earlier, the unit reported a $245 million quarterly loss. Boeing...