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|Orbital Sets December 9 as Date of Special Stockholder Meeting to Vote on Merger with ATK|
|ATK Reports FY15 Second Quarter Operating Results|
|Alliant Tech to evaluate implications of Orbital's rocket failure on proposed merger|
|Alliant Tech evaluating merger plans after Orbital rocket explosion|
|ATK Announces Distribution Ratio for Spin-Off of its Sporting Group|
|ATK and Orbital Continue to Support Plans for Merger|
|ATK Supports Human Deep Space Exploration Milestone|
|ATK Statement Regarding Orbital's Antares Launch Failure|
|ATK and Orbital Receive U.S. DOJ Clearance for Proposed Merger|
|ATK Names Stephen S. Clark as Vista Outdoor Inc. Senior Vice President, Human Resources and Corporate Services|
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