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<P style="font-size: 14pt" align="center"><B>UNITED STATES<BR>
SECURITIES AND
EXCHANGE COMMISSION<BR>
<FONT style="font-size: 12pt">Washington, D.C. 20549
</FONT></B>

<P style="font-size: 18pt" align="center"><B>FORM 8-K</B>

<P style="font-size: 12pt" align="center"><B>CURRENT REPORT<BR>
Pursuant to
Section 13 or 15(d) of the Securities Exchange Act of 1934</B>

<P style="font-size: 10pt" align="center"><B>Date of Report (Date of earliest
event reported): January 12, 2009</B>


<P style="font-size: 24pt" align="center"><B>GTSI Corp.</B><BR> <FONT
style="font-size: 10pt">(Exact name of registrant as specified in its charter)
</FONT>
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  <TD width="32%">&nbsp;</TD>
  <TD width="1%">&nbsp;</TD>
  <TD width="33%">&nbsp;</TD>
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  <TD width="32%">&nbsp;</TD>
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 <TR valign="bottom">
  <TD style="border-bottom: #000000 1px solid"><B>Delaware</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>0-19394</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>54-1248422</B></TD>
 </TR>
 <TR valign="top">
  <TD>(State or other Jurisdiction of Incorporation)</TD>
  <TD>&nbsp;</TD>
  <TD>(Commission File Number)</TD>
  <TD>&nbsp;</TD>
  <TD>(IRS Employer Identification No.)</TD>
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cellpadding="0" width="100%" border="0">

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  <TD style="border-bottom: #000000 1px solid"><B>2553 Dulles View Drive, #100<BR>Herndon, Virginia</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>20171</B></TD>
 </TR>
 <TR valign="top">
  <TD>(Address of Principal Executive Offices)</TD>
  <TD>&nbsp;</TD>
  <TD>(Zip Code)</TD>
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<P style="font-size: 10pt" align="center">Registrant&#8217;s telephone number,
including area code: <B>(703) 502-2000</B>
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  <TD nowrap>(Former name or former address if changed since last report.)</TD>
 </TR>

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<P style="font-size: 10pt" align="left">Check the appropriate box below if the
Form 8-K filing is intended to simultaneously satisfy the filing obligation of
the registrant under any of the following provisions:

<P style="font-size: 10pt" align="left"><FONT face="Wingdings">o</FONT> Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)<BR>
<BR>
<FONT face="Wingdings">o</FONT> Soliciting material pursuant
to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR>
<BR>
<FONT
face="Wingdings">o</FONT> Pre-commencement communications pursuant to Rule
14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR>
<BR>
<FONT
face="Wingdings">o</FONT> Pre-commencement communications pursuant to Rule
13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<BR>


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<P style="display: none; font-size: 10pt" align="center">1
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  <TD nowrap align="left" width="3%"><B>Item&nbsp;5.02</B></TD>
  <TD width="1%">&nbsp;</TD>
  <TD><B>Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain
Officers</B></TD>
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<P style="font-size: 10pt"
align="left">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On
January&nbsp;12, 2009, Robert Mitchell informed GTSI Corp. of his resignation
as an employee and Senior Vice-President, Operations and IT of GTSI Corp.
effective March&nbsp;6, 2009. Mr.&nbsp;Mitchell also relinquished his title as
Chief Information Officer (CIO)&nbsp;effective as of January&nbsp;12, 2009.

<P style="font-size: 10pt" align="left"><B>SIGNATURES</B>

<P style="font-size: 10pt; text-indent: 4%" align="left">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.

<P style="font-size: 10pt; margin-left: 45%"
align="left"><B>GTSI Corp.</B>

<P style="font-size: 10pt; margin-left: 45%" align="left">By:
<U><B>/</B>s/ James J.
Leto&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><BR>
James J. Leto<BR>
Chief Executive Officer

<P style="font-size: 10pt" align="left">Date: January&nbsp;15, 2009

<P style="font-size: 10pt" align="center">&nbsp;

<P style="display: none; font-size: 10pt" align="center">2
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{"company-data": {"conformed-name": "GTSI CORP", "cik": "0000850483", "assigned-sic": "5045", "irs-number": "541248422", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-19394", "film-number": "09528213"}, "business-address": {"street1": "2553 DULLES VIEW DRIVE", "street2": "SUITE 100", "city": "HERNDON", "state": "VA", "zip": "20171-5219", "phone": "703-502-2000"}, "mail-address": {"street1": "2553 DULLES VIEW DRIVE", "street2": "SUITE 100", "city": "HERNDON", "state": "VA", "zip": "20171-5219"}}
Filed by Bowne Pure Compliance
UNITED STATES
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): January 12, 2009
GTSI Corp.
(Exact name of registrant as specified in its charter)
Delaware
0-19394
54-1248422
(State or other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
2553 Dulles View Drive, #100
Herndon, Virginia
20171
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number,
including area code:
(703) 502-2000
(Former name or former address if changed since last report.)
Check the appropriate box below if the
Form 8-K filing is intended to simultaneously satisfy the filing obligation of
the registrant under any of the following provisions:
o
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
o
Soliciting material pursuant
to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule
14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule
13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 5.02
Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain
Officers
(b)        On
January 12, 2009, Robert Mitchell informed GTSI Corp. of his resignation
as an employee and Senior Vice-President, Operations and IT of GTSI Corp.
effective March 6, 2009. Mr. Mitchell also relinquished his title as
Chief Information Officer (CIO) effective as of January 12, 2009.
SIGNATURES
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.
GTSI Corp.
By:
/
s/ James J.
Leto
James J. Leto
Chief Executive Officer
Date: January 15, 2009