Sec Form 4 Filing - MCREAVY ROBERT J @ ALLIANT TECHSYSTEMS INC - 2006-11-07

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person MCREAVY ROBERT J 2. Issuer Name and Ticker or Trading Symbol ALLIANT TECHSYSTEMS INC [ ATK] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) VP and Treasurer (Last) (First) (Middle) ALLIANT TECHSYSTEMS INC., 5050 LINCOLN DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 11/07/2006 (Street) EDINA, MN55436-1097 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 11/07/2006 S 519 ( 1 ) D $ 77.01 0 D Common Stock 11/07/2006 I 424.745 D $ 77.2 0 I By 401(k) plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Phantom Stock Units ( 2 ) 11/07/ 2006 I( 3 ) 3,308.826 ( 4 ) ( 4 ) Common Stock 3,308.826 $ 77.2 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other MCREAVY ROBERT J ALLIANT TECHSYSTEMS INC. 5050 LINCOLN DRIVE EDINA, MN55436-1097 VP and Treasurer Signatures /s/Robert J. McReavy 11/09/2006 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares were acquired under the Issuer's Employee Stock Purchase Plan. ( 2 )1-for-1. ( 3 )Pursuant to the Issuer's Nonqualified Deferred Compensation Plan (NQDCP), the reporting person elected to transfer these Phantom Stock Units from the ATK common stock investment account to another investment account within the NQDCP. NQDCP participants may transfer funds into alternative investment accounts during a 10-day window period each quarter. ( 4 )Phantom Stock Units are payable 100% in cash following the reporting person's termination of employment or such other date specified by the reporting person, but the reporting person may also elect to transfer funds into other investment accounts within the NQDCP.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.