UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) October 28, 2004

Alliant Techsystems Inc.

(Exact Name of Registrant as Specified in Its Charter)

Delaware	1-10582	41-1672694
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

5050 Lincoln Drive Edina, Minnesota		55436-1097
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s telephone number, including area code: (952) 351-3000

Not applicable
(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events

Effective April 1, 2004 (fiscal 2005), Alliant Techsystems Inc. (ATK or registrant) realigned its business operations and subsequently filed a Current Report on Form 8-K dated June 10, 2004 with quarterly results by segment reflecting this realignment. ATK has subsequently determined that the elimination of profit recognized on intercompany transactions relating to the Advanced Propulsion and Space Systems segment for each quarter in fiscal 2004 was calculated in error.

The following summarizes ATK’s results by operating segment taking into account the realignment for each quarter in the years ended March 31, 2004 and 2003 (in thousands):

	Fiscal 2004 Quarter Ended																	Fiscal 2004
	June 29				September 28				December 28					March 31				Total Year
Sales to external customers:
ATK Thiokol	$	217,956			$	200,922			$	184,463				$	195,886			$			799,227
Ammunition	172,816				191,351				184,279					217,176				765,622
Precision Systems	109,267				119,138				126,571					168,565				523,541
Advanced Propulsion and Space Systems	59,099				55,140				68,504					88,521				271,264
ATK Mission Research	—				—				—					6,539				6,539
Total external sales	559,138				566,551				563,817					676,687				2,366,193
Intercompany sales:
ATK Thiokol	720				579				629					474				2,402
Ammunition	3,141				5,788				2,858					8,309				20,096
Precision Systems	2,376				3,221				2,720					4,689				13,006
Advanced Propulsion and Space Systems	9,168				7,787				7,410					10,615				34,980
Corporate	(15,405			)	(17,375			)	(13,617				)	(24,087			)	(70,484				)
Total intercompany sales	—				—				—					—				—
Total sales	$	559,138			$	566,551			$	563,817				$	676,687			$		2,366,193

Income from continuing operations before interest, income taxes and minority interest:
ATK Thiokol	$		34,082		$		36,517		$		31,058			$		34,311		$	135,968
Ammunition	15,896				19,371				19,938					15,678				70,883
Precision Systems	11,714				12,686				14,962					18,481				57,843
Advanced Propulsion and Space Systems	10,729				5,757				8,186					5,008				29,680
ATK Mission Research	—				—				—					415				415
Corporate	(4,409			)	(4,651			)	(3,693				)	(4,973			)	(17,726				)
Income from continuing operations before interest, income taxes and minority interest	$		68,012		$		69,680		$			70,451		$		68,920		$	277,063

	Fiscal 2003 Quarter Ended												Fiscal 2003
	June 30			September 29			December 29			March 31			Total Year
Sales to external customers:
ATK Thiokol	$	226,401		$	190,803		$	202,076		$	211,009		$	830,289
Ammunition	164,647			164,989			163,905			188,221			681,762
Precision Systems	88,445			121,654			114,407			155,480			479,986
Advanced Propulsion and Space Systems	40,397			35,699			39,370			64,632			180,098
Total external sales	519,890			513,145			519,758			619,342			2,172,135
Intercompany sales:
ATK Thiokol	943			413			879			574			2,809
Ammunition	6,919			2,213			3,283			11,504			23,919
Precision Systems	82			130			340			3,899			4,451
Advanced Propulsion and Space Systems	9,518			8,367			9,795			10,348			38,028
Corporate	(17,462		)	(11,123		)	(14,297		)	(26,325		)	(69,207		)
Total intercompany sales	—			—			—			—			—
Total sales	$	519,890		$	513,145		$	519,758		$	619,342		$	2,172,135

Income from continuing operations before interest and income taxes:
ATK Thiokol	$	42,743		$	28,619		$	28,503		$	38,342		$	138,207
Ammunition	12,324			17,723			25,039			18,095			73,181
Precision Systems	6,555			13,764			14,433			14,028			48,780
Advanced Propulsion and Space Systems	5,975			5,711			7,131			9,298			28,115
Corporate	(1,005		)	(1,710		)	(3,641		)	(6,384		)	(12,740		)
Income from continuing operations before interest and income taxes	$	66,592		$	64,107		$	71,465		$	73,379		$	275,543

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		ALLIANT TECHSYSTEMS INC.


		By:	/s/ Eric S. Rangen
		Name:	Eric S. Rangen
		Title:	Executive Vice President and Chief Financial Officer

Date:	October 28, 2004