X0202 4 2007-11-20 0 0000866121 ALLIANT TECHSYSTEMS INC ATK 0001282990 DITTEMORE RONALD D ALLIANT TECHSYSTEMS INC. 5050 LINCOLN DRIVE EDINA MN 55436-1097 0 1 0 0 Sr VP and Pres ATK Launch Sys Common Stock 2007-11-20 4 S 0 674 113.16 D 18102 D Common Stock 2007-11-20 4 S 0 123 112.76 D 17979 D Common Stock 2007-11-20 4 S 0 677 112.78 D 17302 D Common Stock 2007-11-20 4 S 0 100 112.79 D 17202 D Common Stock 2007-11-20 4 S 0 200 112.81 D 17002 D Common Stock 2007-11-20 4 S 0 100 112.8108 D 16902 D Common Stock 2007-11-20 4 S 0 800 112.82 D 16102 D Common Stock 2007-11-20 4 S 0 200 112.95 D 15902 D Common Stock 2007-11-20 4 S 0 100 112.96 D 15802 D Common Stock 2007-11-20 4 S 0 100 112.97 D 15702 D Common Stock 2007-11-20 4 S 0 100 113 D 15602 D Common Stock 2007-11-20 4 S 0 500 113.01 D 15102 D Common Stock 2007-11-20 4 I 0 302 113.06 D 0 I By 40l(k) Plan The reporting person acquired these shares under the Issuer's Employee Stock Purchase Plan, which was discontinued June 30, 2006. The amount reported includes 7,000 shares subject to certain restrictions (including possible forfeiture) applicable to restricted stock awards under the Issuer's stock incentive plans. The reporting person transferred his investment in the ATK Stock Fund of the Issuer's 401(k) Plan into other funds within the plan. The reporting person held the same number of ownership units in the ATK Stock Fund as he did on the date of his last Form 4 report (5/8/2007), but the number of actual shares underlying those units decreased from 306.723 to 302.373 due to fluctuations in the percentages of cash and Issuer stock in the fund. /s/Ronald D. Dittemore 2007-11-20