Northrop Grumman (NYSE:NOC) reported quarterly earnings of $6.77 per share which missed the analyst consensus estimate of $6.82 by 0.73 percent. This is a 4.78 percent decrease over earnings of $7.11 per share from the same period last year. The company reported quarterly sales of $10.876 billion which beat the analyst consensus estimate of $10.803 billion by 0.67 percent. This is a 5.08 percent increase over sales of $10.350 billion the same period last year.