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

Date of Report (Date of Earliest Event Reported): July 29, 2004

Commission file number 1-14287

USEC Inc.

(Exact name of registrant as specified in its charter)

Delaware
(State of incorporation) 52-2107911
(I.R.S. Employer Identification No.)

2 Democracy Center
6903 Rockledge Drive
Bethesda, MD 20817
(301) 564-3200

Item 5. Other Events

     On July 29, 2004, USEC Inc. issued a press release announcing that it had entered into a definitive agreement to acquire NAC International. A copy of the press release is attached as Exhibit 99.

SIGNATURE

     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 thereunto duly authorized.

	USEC Inc.
July 30, 2004	By             /s/ Ellen C. Wolf
	Ellen C. Wolf
	Senior Vice President and Chief Financial Officer
	(Principal Financial and Accounting Officer)