Send requests for 20th Air Force records to 90 CS/SCOK (FOIA Office), 6307 Randall Avenue Bldg. 232 Suite 114, F.E. Warren AFB, WY 82005 or fax number (307) 773-4021. Please ensure you mention "FOIA" and indicate a willingness to pay fees associated with the processing of your request or, in the alternative, why a waiver of fees may be appropriate. Written requests may be received by postal service, facsimile or electronically. Faxed or e-mailed requests must have a mailing address included since it may not be practical to provide a substantive response electronically.