. space systems 2019 operating profit for 2013 decreased $ 38 million , or 4% ( 4 % ) , compared to 2012 . the decrease was primarily attributable to lower operating profit of approximately $ 50 million for the orion program due to lower volume and risk retirements and about $ 30 million for government satellite programs due to decreased risk retirements , which were partially offset by higher equity earnings from joint ventures of approximately $ 35 million