The Dulles, Va.-based rocket and launch vehicle manufacturer posted a $76.6 million profit for the quarter.
Second quarter revenue was $1.13 billion and analysts’ projections by $50 million.
Orbital ATK has increased its fiscal 2015 earnings guidance to between $4.60 and $4.80 per share from the previous $4.40-to-$4.60 range.
The company also raised its full year revenue forecast to between $4.42 billion and $4.5 billion from the prior $4.35 billion-to-$4.45 billion range.
Orbital ATK shares were up 5.75 percent to $75.98 as of 10:13 a.m. Eastern time.