<SEC-DOCUMENT>0001225208-11-019279.txt : 20110804
<SEC-HEADER>0001225208-11-019279.hdr.sgml : 20110804
<ACCEPTANCE-DATETIME>20110804104444
ACCESSION NUMBER:		0001225208-11-019279
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20110728
FILED AS OF DATE:		20110804
DATE AS OF CHANGE:		20110804

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Davis Marian K.
		CENTRAL INDEX KEY:			0001527338

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14287
		FILM NUMBER:		111009182

	MAIL ADDRESS:	
		STREET 1:		6903 ROCKLEDGE DRIVE
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			USEC INC
		CENTRAL INDEX KEY:			0001065059
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				522107911
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2 DEMOCRACY CENTER
		STREET 2:		6903 ROCKLEDGE DRIVE
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817
		BUSINESS PHONE:		3015643200

	MAIL ADDRESS:	
		STREET 1:		2 DEMOCRACY CENTER
		STREET 2:		6903 ROCKLEDGE DRIVE
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>doc3a.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0204</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2011-07-28</periodOfReport>

    <dateOfOriginalSubmission>2011-08-04</dateOfOriginalSubmission>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001065059</issuerCik>
        <issuerName>USEC INC</issuerName>
        <issuerTradingSymbol>USU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001527338</rptOwnerCik>
            <rptOwnerName>Davis Marian K.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6903 ROCKLEDGE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BETHESDA</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20817</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Vice President and Chief Audit</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks>poadavis.txt

This is being amended to include the POA document that was inadvertently left out from the original filing.</remarks>

    <ownerSignature>
        <signatureName>/s/ Marian K Davis</signatureName>
        <signatureDate>2011-08-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poadavis.txt
<TEXT>
POWER OF ATTORNEY



	Know all persons by these presents that Marian K. Davis whose signature appears
  below constitutes and appoints John C. Barpoulis, Peter B. Saba and Kerri R.
Morey and each of them, as her true and lawful attorney-in-fact and agent, with
full and several power of substitution and with authority to act alone, for her
and in her name, place and stead, in any and all capacities to:

	(1)	execute for and on behalf of the undersigned Forms 3, 4 and 5 and any
amendments and supplements to those forms in accordance with Section 16(a) of
the Securities Exchange Act of 1934 and the rules thereunder;

	(2)	do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete the execution of any such Form 3, 4,
or 5 and any amendments and supplements to those forms and file such form with
the United States Securities and Exchange Commission, the New York Stock
Exchange and any other authority; and

	(3)	take any other action of any type whatsoever in connection with the
foregoing that, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
  undersigned pursuant to this Power of Attorney shall be in such form and shall
  contain such terms and conditions as such attorney-in-fact may approve in
his/her discretion;

granting unto said attorney-in-fact and agent full power and authority to do and
  perform each and every act and thing requisite and necessary to be done in and
  about the premises, as fully to all intents and purposes as they or she might
or could do in person, hereby ratifying and confirming all that said
attorney-in-fact and agent or her or their substitute or substitutes may
lawfully do or cause to be done by virtue thereof.

	This Power of Attorney is continuing and shall remain in effect so long as the
undersigned is an officer of USEC Inc., a Delaware corporation, unless the
undersigned executes and delivers to the Secretary of USEC Inc. a written
revocation of this Power of Attorney.

	The undersigned acknowledges that each foregoing attorney-in-fact, in serving
in such capacity at the request of the undersigned, is not assuming any of the
undersigned?s responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.



Date:		August 3, 2011________				/s/ Marian K. Davis
									Marian K. Davis

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
