Attached files
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| 8-K - 8-K - Northrop Grumman Innovation Systems, Inc. | a15-5723_18k.htm |
Exhibit 16.1
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Deloitte & Touche LLP |
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Suite 2800 |
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50 South Sixth Street |
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Minneapolis, MN 55402 |
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USA |
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Tel: +1 612 397 4000 |
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Fax: +1 612 397 4450 |
March 2, 2015
Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549-7561
Dear Sirs/Madams:
We have read Item 4 of Orbital ATK, Inc.’s Form 8-K dated March 2, 2015, and we agree with the statements made therein.
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Yours truly, |
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/s/ Deloitte & Touche LLP |
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Member of |
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Deloitte Touche Tohmatsu |