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21 -Article 9 truetrue1 (a) Operating profit included equity in net earnings (losses) of equity investees as follows: (In millions) 2010 2009 2008 Aeronautics $ 7 $ 9 $ 21 Electronic Systems 50 53 43 Space Systems 259 218 224 Total business segments 316 280 288 Corporate activities (4 ) (2 ) &#8212; Total $ 312 $ 278 $ 288 328Consolidated Statements of Earnings (USD $)MillionsUnKnownNoRoundingUnKnownfalsetrue