SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934

October 31, 2007
(Date of Report)

CACI International Inc
(Exact name of registrant as specified in its Charter)

Delaware
  
001-31400
  
54-1345899
(State or other jurisdiction
of incorporation)
  
(Commission File Number)
  
(IRS Employer Identification Number)

1100 N. Glebe Road
Arlington, Virginia 22201
(Address of Principal executive offices)(ZIP code)

(703) 841-7800
(Registrant’s telephone number, including area code)


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:

[ ]
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
   
[ ]
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
   
[ ]
Pre-commencement communications pursuant to Rule 14d-2(b) under the exchange Act (17 CFR 240.14d-2(b))
   
[ ]
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))




ITEM 8.01    OTHER EVENTS

On October 31, 2007, CACI International Inc issued a press release announcing completion of its acquisition of Athena Innovative Solutions, Inc. A copy of the Registrant's press release is furnished herewith as Exhibit 99 to this Current Report on Form 8-K.

ITEM 9.01:    FINANCIAL STATEMENTS AND EXHIBITS

(d) Exhibits
Exhibit 99
Press Release dated October 24, 2007, of CACI International Inc (furnished, not filed, for purposes of Section 18 of the Securities Exchange Act of 1934).




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.

CACI International Inc
Registrant
By:  /s/   Spiro Fotopoulos
Spiro Fotopoulos
Vice President,
Deputy General Counsel
and Assistant Secretary