Mercury Sys (NASDAQ:MRCY) reported quarterly earnings of $0.37 per share which missed the analyst consensus estimate of $0.38 by 2.63 percent. This is a 21.28 percent decrease over earnings of $0.47 per share from the same period last year. The company reported quarterly sales of $289.782 million which beat the analyst consensus estimate of $266.403 million by 8.78 percent. This is a 6.11 percent increase over sales of $273.100 million the same period last year.