UNITED STATES
SECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549

Form 10-K/A
(Amendment No. 1)

|(Mark One)                                  |                                                                                         
|------------------------------------------- | ----------------------------------------------------------------------------------------
|ý                                           | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934    
|For the fiscal year ended December 31, 2007
|o                                           | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number: 000-51552

ATS CORPORATION(Exact name of Registrant as specified in its charter)

|Delaware(State or other jurisdiction of incorporation or organization)           |  | 11-3747850(I.R.S. Employer Identification Number)
|-------------------------------------------------------------------------------- |  | -------------------------------------------------
|7915 Jones Branch Drive
McLean, Virginia(Address of principal executive offices) |  | 22102(zip code)                                  

Registrant's telephone number, including area code: (703) 506-0088

Securities Registered Pursuant to Section 12(b) of the Act: NONE

Securities Registered Pursuant to Section 12(g) of the Act:

Title of Each Class

Name of Exchange on Which RegisteredCommon Stock, $0.0001 par value

OTCBB


Units, each consisting of one share of Common Stock, $0.0001 par value, and two Warrants
Common Stock, $0.0001 par value
Warrants to purchase shares of Common Stock (Title Of Class)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities
Act. Yes ý    No o

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the
Act. Yes o    No ý

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act
of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the
past 90 days. Yes ý    No o

Indicate by a check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not
be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to
this Form 10-K. o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting
company. See the definitions of "large accelerated filer", "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

|Large accelerated filer o |  | Accelerated filer ý |  | Non-accelerated filer o |  | Smaller reporting company o
|------------------------- |  | ------------------- |  | ----------------------- |  | ---------------------------

Indicate
by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange
Act). Yes o    No ý

As of June 30, 2007, the aggregate market value of the Registrant's Common Stock held by non-affiliates of the Registrant was
$2.5 million, based on the closing sales price of the Registrant's Common Stock on the OTC Bulletin Board on that date.

As
of March 11, 2008, 19,251,777 shares of the Registrant's common stock, $0.0001 par value, were outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Part III incorporates information by reference from the definitive proxy statement for the Annual Meeting of Stockholders expected to be held in May 2008.

EXPLANATORY NOTE

This Amendment No. 1 to our Annual Report on Form 10-K for the fiscal year ended December 31, 2007, initially filed on
March 17, 2008, is being filed for the sole purpose of correcting an inadvertent typographical error on Exhibit 23.3Consent of Grant Thornton LLP, to change the
execution date from March 14, 2008 to March 17, 2008.

Except
as described above, no other amendments are being made to the Annual Report. This Form 10-K/A does not reflect events occurring after the March 17, 2008
filing of our Annual Report or modify or update the disclosure contained in the Annual Report in any way other than as required to reflect the amendment discussed above and reflected below. We are
including in this amendment Exhibit 23.3 as corrected to reflect the execution date of March 17, 2008 as well as Exhibits 31.1, 31.2, 32.1 and 32.2., the certifications of the
Principal Executive Officer and Principal Financial Officer.



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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized.

|               |  | ATS CORPORATION
|-------------- |  | ---------------
|March 21, 2008 |  | By:            

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Exhibits:

|Exhibit
Number |  | Description                                                                                                                           
|-------------- |  | --------------------------------------------------------------------------------------------------------------------------------------
|23.3           |  | Consent of Grant Thornton LLP regarding ATS Corporation financial statements for the year ended December 31, 2007                     
|31.1           |  | Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/15(d)-19(a) of the Securities Exchange Act of 1934, as amended
|31.2           |  | Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/15(d)-19(a) of the Securities Exchange Act of 1934, as amended
|32.1           |  | Certification of Principal Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002                                
|32.2           |  | Certification of Principal Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002                                

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