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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000016058-99-000015.txt : 19991018
<SEC-HEADER>0000016058-99-000015.hdr.sgml : 19991018
ACCESSION NUMBER:		0000016058-99-000015
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		19991012

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CACI INTERNATIONAL INC /DE/
		CENTRAL INDEX KEY:			0000016058
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				541345888
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		
		SEC FILE NUMBER:	005-32900
		FILM NUMBER:		99726578

	BUSINESS ADDRESS:	
		STREET 1:		1100 N GLEBE ST
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201
		BUSINESS PHONE:		7038417800

	MAIL ADDRESS:	
		STREET 1:		1100 NORTH GLEBE ROAD
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CACI INC /DE/
		DATE OF NAME CHANGE:	19870119

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONSOLIDATED ANALYSIS CENTERS INC
		DATE OF NAME CHANGE:	19730102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CALIFORNIA ANALYSIS CENTER INC
		DATE OF NAME CHANGE:	19680603

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CACI INTERNATIONAL INC /DE/
		CENTRAL INDEX KEY:			0000016058
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				541345888
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		1100 N GLEBE ST
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201
		BUSINESS PHONE:		7038417800

	MAIL ADDRESS:	
		STREET 1:		1100 NORTH GLEBE ROAD
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CACI INC /DE/
		DATE OF NAME CHANGE:	19870119

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONSOLIDATED ANALYSIS CENTERS INC
		DATE OF NAME CHANGE:	19730102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CALIFORNIA ANALYSIS CENTER INC
		DATE OF NAME CHANGE:	19680603
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<TEXT>

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<p align="center">UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION<br>Washington, D. C. 20549</p>

<p align="center"><b>AMENDED SCHEDULE 13d</b></p>

<p align="center">Under the Securities Exchange Act of 1934<br><b>(Amendment No. 1)</b></p>

<p align="center"><U>CACI International Inc</U><br>(Name of Issuer)</td>

<p align="center"><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;COMMON STOCK&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;</U><br>(Title of Class of Securities)</td>

<p align="center"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;127190 304&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u><br>(CUSIP Number)</p>

<p align="center"><b>J. P. London</b><br>CACI International Inc<br>1100 North Glebe Road<br><U>&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Arlington, Virginia 22201
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;</U><br>(Name, Address and Telephone Number of Person<br>Authorized to Receive Notices and Communications)</p>

<p align="center"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;October 1, 1999&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u><br>(Date of Event which Requires Filing of this
Statement)</p>

<p align="justify">If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this
Schedule 13D, and is filing this schedule because of Rule 13d-1(b)(3) or (4), check the following box.&nbsp;&nbsp; [&nbsp;]</p>

<p align="justify">Check the following box if a fee is being paid with the statement.&nbsp;&nbsp; [&nbsp;]  (A fee is not required only if the
reporting person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities
described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such
class.) (See Rule 13d-7.)</p>

<p align="justify">NOTE: Six copies of this statement, including all exhibits, should be filed with the Commission.  See Rule 13d-1(a) for
other parties to whom copies are to be sent.</p>

<p align="justify">* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the
subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior
cover page.</p>

<p align="justify">The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section
18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all
other provisions of the Act (However, see the Notes).</p>


<table border=0 width="98%">
<tr>
  <td  width="5%"></td>
  <td  width="10%"></td>
  <td  width="83%"></td>
</tr>
<tr>
  <td><font size=2>1.</td>
  <td colspan=3><font size=2>Name of Reporting Person.&nbsp;&nbsp;&nbsp;SS or IRS Identification No. of Above Person</td>
</tr>
<tr>
  <td></td>
  <td><font size=2>J. P. London</td>
  <td><font size=2>[Social Security number intentionally omitted]</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>2.</td>
  <td colspan=2><font size=2>Check the appropriate box if a member of a group.</td>
</tr>
  <td></td>
  <td><font size=2>(a)&nbsp;[&nbsp;]</td>
  <td><font size=2>(b)&nbsp;[&nbsp;]</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>3.</td>
  <td colspan=2><font size=2>SEC Use Only</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>4.</td>
  <td colspan=2><font size=2>Source of Funds*</td>
</tr>
<tr>
  <td></td>
  <td colspan=2><font size=2>PF</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>5.</td>
  <td colspan=2><font size=2>Check box if disclosure of legal proceedings is required pursuant to items 2(d) or 2(e)&nbsp;&nbsp;[&nbsp;]</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>6.</td>
  <td colspan=2><font size=2>Citizenship or place of organization</td>
</tr>
<tr>
  <td></td>
  <td><font size=2>U.S.A.</td>
  <td></td>
</tr>
</TABLE>

<table border=0 width="100%">
<tr>
  <td width="18%"></td>
  <TD width="5%"></TD>
  <TD width="28%"></TD>
  <TD width="49%"></TD>
<tr>
  <td rowspan=7 valign="center"><font size=2>Number of Shares<BR>Beneficially Owned<BR>by Each Reporting<BR>Person With</td>
  <td><font size=2>7.</td>
  <td><font size=2>Sole Voting Power</td>
  <td><font size=2>830,514</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>8.</td>
  <td><font size=2>Shared Voting Power</td>
  <td></td>
</tr>
<TR><TD></TD><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>9.</td>
  <td><font size=2>Sole Dispositive Power</td>
  <td><font size=2>830,514</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>10.</td>
  <td><font size=2>Shared Dispositive Power</td>
</tr>
</TABLE>

<table border=0 width="100%">
<tr>
  <td  width="5%"></td>
  <td  width="65%"></td>
  <td  width="30%"></td>
</tr>
<tr>
  <td><font size=2>11.</td>
  <td><font size=2>Aggregate Amount Beneficially Owned by Each Reporting Person</td>
  <td><font size=2>855,514</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>12.</td>
  <td><font size=2>Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares</td>
  <td><font size=2>[&nbsp;]</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>13.</td>
  <td><font size=2>Percent of Class Represented by Amount in Row (11)</td>
  <td><font size=2>7.8%</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td><font size=2>14.</td>
  <td><font size=2>Type of Reporting Person</td>
  <td>IN</td>
</tr>
</TABLE>

<p align="justify">J. P. London makes this filing to amend certain information previously reported.  This filing constitutes Amendment No.
1 to the Schedule 13D of J. P. London of such prior Schedule 13D reports with respect to the CACI International Inc ("CACI") Common
Stock by adding the following information to the item indicated:</p>

<p><U>Item 1.&nbsp;&nbsp;&nbsp;Security and Issuer</U></p>

<p align="justify">This statement relates to shares of CACI Common Stock, par value $0.10 per share, CACI International Inc, 1100 North
Glebe Road, Arlington, Virginia 22201.</p>

<p><U>Item 2.&nbsp;&nbsp;&nbsp;Identity and Background</U></p>

<table border=0 width="100%">
<tr>
  <td valign="top" width="8%"><font size=2>(a)</td>
  <td valign="top" width="25%"><font size=2>Name:</td>
  <td valign="top" width="67%"><font size=2>J. P. London</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td valign="top"><font size=2>(b)</td>
  <td valign="top"><font size=2>Business Address:</td>
  <td valign="top"><font size=2>CACI International Inc<br>1100 North Glebe Road<br>Arlington, Virginia 22201</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td valign="top"><font size=2>(c)</td>
  <td valign="top"><font size=2>Present Principal Occupation:</td>
  <td valign="top"><font size=2>Chairman of the Board, President, Chief Executive Officer of CACI International Inc, whose address is
shown in Item 2(b).</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td valign="top"><font size=2>(d)</td>
  <td colspan=2 valign="top"><font size=2>Dr. London has not been convicted in any criminal proceeding at any time.</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td valign="top"><font size=2>(e)</td>
  <td colspan=2 valign="top"><font size=2>Dr. London has not been subject to any judgement, decree or final order enjoining violations of or
    prohibiting or mandating activities subject to federal or state securities laws or finding any violations with respect to such laws.</td>
</tr>
</TABLE>

<p><u>Item 3.&nbsp;&nbsp;&nbsp;Source and Amount of Funds or Other Consideration</u></p>

<p>Dr. London used exclusively personal funds for the acquisitions reported.</p>

<p><u>Item 4.&nbsp;&nbsp;&nbsp;Purpose of Transaction</u></p>

<p align="justify">Dr. J. P. London has acquired 198,500 additional shares to increase his position in CACI and to express his continuing
personal economic commitment to the enhanced shareholder value of CACI.</p>

<p align="justify">As CACI's Chairman and Chief Executive Officer, he intends to promote, steadfastly, by all his statements and actions
the best interests of all shareholders, and to continue to enhance the public image, reputation and inherent value of the CACI enterprise.</p>

<p align="justify">At present he has no plans or proposals relating to any of the matters enumerated in Item 4 to Schedule 13D, except
that he may from time to time acquire or dispose of shares, by market transactions or exercise of employee stock options, depending upon
his personal investment goals, the market price of CACI's Common Stock, and other factors.</p>

<p><u>Item 5.&nbsp;&nbsp;&nbsp;Interest in Securities of the Issuer</u></p>

<table border=0  width="88%">
<tr>
  <td width="8%"></td>
  <td width="55%"></td>
  <td width="10%"></td>
  <td width="15%"></td>
</tr>
<tr>
  <TD valign="top"><font size=2>(a)</TD>
  <TD valign="top" colspan=3><font size=2>Dr. London owns beneficially a total of 830,514 shares of CACI Common Stock as follows:</TD>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td></td>
  <td valign="top"><font size=2>Directly:</td>
  <td valign="top" align="right"><font size=2>622,945</td>
  <td></td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td></td>
  <td><font size=2>Indirectly:</td>
  <td></td>
  <td></td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td valign="top"></td>
  <td valign="top"><font size=2>Through directed J. P. London Unitrust</td>
  <td valign="top" align="right"><font size=2>181,000</td>
  <td></td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td></td>
  <td valign="top"><font size=2>Through 401(k) retirement plan</td>
  <td valign="top" align="right"><font size=2>21,569</td>
  <td></td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td></td>
  <td valign="top"><font size=2>Through Individual Retirement Plan</td>
  <td valign="top" align="right"><font size=2>5,000</td>
  <td></td>
</tr>
<TR><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td></td>
  <td valign="top"><font size=2>Stock options exercisable within 60 days after October 1, 1999</td>
  <td valign="top" align="right"><font size=2>25,000</td>
  <td></td>
</tr>
</TABLE>

<p align="justify">Dr. London has sole voting and dispositive power as to all the shares listed.  They constitute 7.8% of CACI's
outstanding Common Stock, based on 10,981,426 shares outstanding at August 31, 1999, plus 100,000 shares issuable upon
exercise of options.</p>

<table border=0 width="88%">
<tr>
  <td width="8%"></td>
  <td width="20%"></td>
  <td width="20%"></td>
  <td width="20%"></td>
  <td width="20%"></td>
</tr>
<TR>
  <TD valign="top"><font size=2>(b)</TD>
  <TD valign="top" colspan=4><font size=2>See Item 5(a).</TD>
  <TD></TD>
</TR>
<TR><TD></TD><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td valign="top"><font size=2>(c)</td>
  <td valign="top" colspan=4><font size=2>Dr. London acquired shares of CACI Common Stock in the past 60 days as follows:</td>
</tr>
<TR><TD></TD><TD></TD><TD></TD><TD></TD></TR>
<tr>
  <td></td>
  <td align="center"><font size=2>Date<hr size=1></td>
  <td align="center"><font size=2>Amount<hr size=1></td>
  <td align="center"><font size=2>How Acquired<hr size=1></td>
  <td align="center"><font size=2>Price per Share<hr size=1></td>
</tr>
<tr>
  <TD></TD>
  <TD align="center"><font size=2>October 1, 1999</TD>
  <TD align="center"><font size=2>68,500</TD>
  <TD align="center"><font size=2>Option exercise</TD>
  <TD align="center"><font size=2>$1.875</TD>
</tr>
<TR>
  <TD></TD>
  <TD align="center"><font size=2>October 1, 1999</TD>
  <TD align="center"><font size=2>65,000</TD>
  <TD align="center"><font size=2>Option exercise</TD>
  <TD align="center"><font size=2>$2.875</TD>
</TR>
<tr>
  <td></td>
  <td align="center"><font size=2>October 1, 1999</td>
  <td align="center"><font size=2>65,000</td>
  <td align="center"><font size=2>Option exercise</td>
  <td align="center"><font size=2>$2.50&nbsp;</td>
</tr>
</TABLE>

<p><u>Item 6.&nbsp;&nbsp;&nbsp;Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.</u></p>

<p align="justify">Dr. London currently holds options to purchase an additional 100,000 shares of CACI Common Stock at a weighted
average exercise price of $15.41 per share.  All the options were granted by CACI under the employee stock option plans, and the option
exercise price in each case is at least equal to the market price of CACI's Common Stock on the date of grant.</p>

<p><u>Item 7&nbsp;&nbsp;&nbsp;Material to be Filed as Exhibits</u></p>

<p align="justify">(a) Form of stock option agreement between CACI International Inc and J. P. London is incorporated by reference to the
Schedule 13D filed on September 17, 1991.</p>

<p><u>Signature</u></p>

<p align="justify" >After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this
statement is true, complete anc correct.</p>

<TABLE border=0 width="100%">
<TR>
  <TD width="30%"></TD>
  <TD width="15%"></TD>
  <TD width="44%"></TD>
</TR>
<TR>
  <TD align="center"><font size=2>October 12, 1999</TD>
  <TD></TD>
  <TD align="center"><font size=2>J.P. London</TD>
</TR>
<TR>
  <TD><hr size=1></TD>
  <TD></TD>
  <TD><hr size=1></TD>
</TR>
<TR>
  <TD align="center"><font size=2>Date</TD>
  <TD></TD>
  <TD align="center"><font size=2>J. P. London</TD>
</TR>

</TABLE>


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