UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:
April 15, 2016 4:00 P.M.
Form:
S-4
CIK:
0000866121
Company Name:
ORBITAL ATK, INC.
File Number:
333-210649
CIK:
0001585648
Company Name:
Alliant Techsystems Operations LLC
File Number:
333-210649-04
CIK:
0001292472
Company Name:
ATK Launch Systems Inc.
File Number:
333-210649-03
CIK:
0001305890
Company Name:
ATK Space Systems Inc.
File Number:
333-210649-02
CIK:
0000820736
Company Name:
ORBITAL SCIENCES CORP /DE/
File Number:
333-210649-01