Exhibit 23(a)

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


      As independent public accountants, we hereby consent to the incorporation
by reference in this registration statement on Form S-8, of our report dated
February 14, 2002 included in GTSI Corp.'s Form 10-K for the year ended December
31, 2001, and to all references to our Firm included in this registration
statement.


ARTHUR ANDERSEN LLP


Vienna, Virginia
May 13, 2002