ALLIANT TECHSYSTEMS INC
EXHIBIT 10.16.3
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<TYPE>EX-10.16-3
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<DESCRIPTION>EXHIBIT 10.16.3
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<P ALIGN="RIGHT"><FONT SIZE=2><B>Exhibit&nbsp;10.16.3  </B></FONT></P>

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NAME="lg2023_amendment_no._2_to_amendment_a__ame03619"> </A>
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<BR></FONT><FONT SIZE=2><B>AMENDMENT NO. 2<BR>  TO<BR>  AMENDMENT AND RESTATEMENT OF<BR>  ALLIANT TECHSYSTEMS&nbsp;INC.<BR>  INCOME SECURITY PLAN    <BR>  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Amendment and Restatement of Alliant Techsystems&nbsp;Inc. Income Security Plan (the "Plan") is hereby amended as follows, effective as of March&nbsp;19,
2002: </FONT></P>

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<DT style='margin-bottom:-11pt;'><FONT SIZE=2>1.</FONT></DT><DD><FONT SIZE=2>Exhibit&nbsp;A
of the Plan is amended and restated in its entirety to read as follows: </FONT></DD></DL>
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<P ALIGN="CENTER"><FONT SIZE=2>"Exhibit&nbsp;A </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>LIST
OF INCOME SECURITY PLAN PARTICIPANTS<BR>
AS OF MARCH 19, 2002 </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B>TIER ONE  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>All ATK elected officers </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B>TIER TWO  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>All ATK appointed corporate Vice Presidents,<BR>
subsidiary Presidents and subsidiary Group Vice Presidents" </FONT></P>

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<DT style='margin-bottom:-11pt;'><FONT SIZE=2>2.</FONT></DT><DD><FONT SIZE=2>All
other terms of the Plan shall remain in full force and effect. </FONT></DD></DL>
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<FONT SIZE=2><A HREF="#toc_lg2023_1">AMENDMENT NO. 2 TO AMENDMENT AND RESTATEMENT OF ALLIANT TECHSYSTEMS INC. INCOME SECURITY PLAN</A></FONT><BR>
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