-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 DaY7+wOnlgNEA2sc5Y0syA==

<SEC-DOCUMENT>0001166432-07-000017.txt : 20070126
<SEC-HEADER>0001166432-07-000017.hdr.sgml : 20070126
<ACCEPTANCE-DATETIME>20070126133802
ACCESSION NUMBER:		0001166432-07-000017
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070125
FILED AS OF DATE:		20070126
DATE AS OF CHANGE:		20070126

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Fortress America Acquisition CORP
		CENTRAL INDEX KEY:			0001320760
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				202027651
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3 BETHESDA METRO CENTER SUITE 700
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20814
		BUSINESS PHONE:		3019611533

	MAIL ADDRESS:	
		STREET 1:		3 BETHESDA METRO CENTER SUITE 700
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20814

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HUMMINGBIRD CAPITAL LLC
		CENTRAL INDEX KEY:			0001249876
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51426
		FILM NUMBER:		07555685

	BUSINESS ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2125210974

	MAIL ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HUMMINGBIRD MANAGEMENT LLC
		CENTRAL INDEX KEY:			0001164073
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51426
		FILM NUMBER:		07555686

	BUSINESS ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2125210974

	MAIL ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER NAME:	
		FORMER CONFORMED NAME:	MORNINGSIDE VALUE INVESTORS LLC
		DATE OF NAME CHANGE:	20011226

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HUMMINGBIRD CONCENTRATED FUND LP
		CENTRAL INDEX KEY:			0001276582
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51426
		FILM NUMBER:		07555687

	BUSINESS ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2125210974

	MAIL ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HUMMINGBIRD MICROCAP VALUE FUND LP
		CENTRAL INDEX KEY:			0001243818
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51426
		FILM NUMBER:		07555688

	BUSINESS ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2125210974

	MAIL ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HUMMINGBIRD VALUE FUND LP
		CENTRAL INDEX KEY:			0001101758
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51426
		FILM NUMBER:		07555689

	BUSINESS ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212 5210974

	MAIL ADDRESS:	
		STREET 1:		460 PARK AVENUE, 12TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SONKIN PAUL D
		CENTRAL INDEX KEY:			0001166432

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51426
		FILM NUMBER:		07555690

	BUSINESS ADDRESS:	
		STREET 1:		153 E 53RD ST.
		STREET 2:		55TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2125210975

	MAIL ADDRESS:	
		STREET 1:		460 PARK AVENUE
		STREET 2:		12TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-01-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001320760</issuerCik>
        <issuerName>Fortress America Acquisition CORP</issuerName>
        <issuerTradingSymbol>FAAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001166432</rptOwnerCik>
            <rptOwnerName>SONKIN PAUL D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>460 PARK AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>12TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>see footnote #1</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001101758</rptOwnerCik>
            <rptOwnerName>HUMMINGBIRD VALUE FUND LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>460 PARK AVENUE, 12TH FL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>see footnote #1</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001243818</rptOwnerCik>
            <rptOwnerName>HUMMINGBIRD MICROCAP VALUE FUND LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>460 PARK AVENUE, 12TH FL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>see footnote #1</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001276582</rptOwnerCik>
            <rptOwnerName>HUMMINGBIRD CONCENTRATED FUND LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>460 PARK AVENUE, 12TH FL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>see footnote #1</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001164073</rptOwnerCik>
            <rptOwnerName>HUMMINGBIRD MANAGEMENT LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>460 PARK AVENUE, 12TH FL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>see footnote #1</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249876</rptOwnerCik>
            <rptOwnerName>HUMMINGBIRD CAPITAL LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>460 PARK AVENUE, 12TH FL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>see footnote #1</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common stock warrants</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>5</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-01-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>95000</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.601</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-07-13</value>
            </exerciseDate>
            <expirationDate>
                <value>2009-07-11</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>95000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>95000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 is filed jointly by Paul D. Sonkin, The Hummingbird Value Fund, L.P. (&quot;HVF&quot;), The Hummingbird Microcap Value Fund, L.P.(&quot;Microcap&quot;),The Hummingbird Concentrated Fund, L.P. (&quot;Concentrated&quot;), Hummingbird Capital, LLC, and Hummingbird Management, LLC. Paul D. Sonkin is the Managing Member of (a) Hummingbird Capital, LLC, the general partner of HVF, Microcap, and Concentrated, and (b) Hummingbird Management, LLC, the investment manager to HVF, Microcap, and Concentrated. Accordingly, each of Paul D. Sonkin, Hummingbird Capital, LLC, and Hummingbird Management, LLC may be deemed to beneficially own the securities owned by HVF, Microcap, and Concentrated, reported herein. The Reporting Persons are members of a Section 13(d) group that owns more than 10% of the Issuer's outstanding Common Stock. In addition, Paul Sonkin owns 392,000 warrants held in his and Mrs. Sonkin's IRA accounts and has dispostive power over an additional 28,400 warrants owned
 in other IRA accounts.</footnote>
        <footnote id="F2">Acquired by The Hummingbird Concentrated Fund, LP.</footnote>
        <footnote id="F3">Owned directly by The Hummingbird Concentrated Fund, L.P., and indirectly by Paul D. Sonkin, Hummingbird Capital, LLC,  and Hummingbird Management, LLC, each of which disclaims beneficial ownership of the securities owned by The Hummingbird Concentrated Fund, L.P., except to the extent that each such party has an interest, if any, in The Hummingbird Concentrated Fund, L.P.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Paul Sonkin</signatureName>
        <signatureDate>2007-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>The Hummingbird Value Fund, LP</signatureName>
        <signatureDate>2007-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>The Hummingbird Microcap Value Fund, LP</signatureName>
        <signatureDate>2007-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>The Hummingbird Concentrated Fund, LP</signatureName>
        <signatureDate>2007-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Hummingbird Management, LLC</signatureName>
        <signatureDate>2007-01-26</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Hummingbird Capital, LLC</signatureName>
        <signatureDate>2007-01-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
