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Research and Development (Tables)

3 Months Ended

Mar. 31, 2012

Project Research and Development Expenses Incurred and Amounts Funded

	First Quarter						Inception
	2012			2011			To Date
Research and development costs incurred (1)	$	21.2		$	42.0		$	439.1
Less amounts funded by NASA		(11.0	)		(34.1	)		(271.3	)
Net research and development expenses	$	10.2		$	7.9		$	167.8

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(1) Includes associated general and administrative expenses.

- Definition

Tabular disclosure of significant agreements under research and development arrangements accounted for as a contract to perform research and development for others (including royalty arrangements, purchase provisions, license agreements, and commitments to provide additional funding), aggregated by similar arrangements or individually if necessary to understand the effects on the financial statements. Include also the amount of costs incurred under a research and development arrangement accounted for as a contract to perform research and development for others. Aggregation of similar arrangements by type may be appropriate. Include also the amount of compensation earned (contract income) under a research and development arrangement accounted for as a contract to perform research and development for others. Aggregation of similar arrangements by type may be appropriate.

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