Lockheed Martin reported first-quarter net earnings of $1.5 billion, or $6.44 per share, down from $1.7 billion, or $7.28 per share, in the same period a year earlier. Business segment operating profit fell 13% to $1.8 billion. Production performance and development delays on the F-16 fighter jet program, combined with delivery delays on the C-130 transport aircraft program, drove $125 million and $55 million in unfavorable profit adjustments, respectively, within the Aeronautics segment. The C-130 delays ...