Mail Stop 4561 							September 30, 2005 M. Dendy Young GTSI Corporation 3901 Stonecroft Blvd Chantilly VA 20151-1010 	Re:	GTSI Corporation 	Form 10-K for Fiscal Year Ended December 31, 2004 	Form 10-K/A for Fiscal Year Ended December 31, 2004 	Form 10-Q for Fiscal Quarter Ended March 31, 2005 	Form 10-Q for Fiscal Quarter Ended June 30, 2005 	File No. 000-19394 Dear Mr. Young: 	We have completed our review of your Form 10-K and related filings and do not, at this time, have any further comments. 								Sincerely, 								Stephen Krikorian 								Accounting Branch Chief