DISA/DITCO/DTS21 2300 East Drive, Scott AFB, IL 62225- 5406

D -- DEFENSE SWITCHED NETWORK WORLDWIDE MANAGEMENT SUPPORT SERVICES (DSN WMSS) POC Patricia R. Turner, (618) 229-9541 The Defense Information Technology Contracting Organization (DITCO) modifies CBD Notice 366853, issued August 12, 1999, to add three tasks to those previously announced as being extended. DITCO intends to issue a three month sole source extension, with three one-month option periods, to the Defense Switched Network Worldwide Management Support Services (DSN WMSS) contract, DCA200-93-C-0009, a cost plus fixed fee contract. The contractor is GTE Government Systems, 15000 Conference Center Drive, Chantilly, VA 20151-3808. The three additional tasks to be included in the extension are Tasks 4.2, 4.3 and 4.22, which provide critical support to defense networks. The DSN WMSS contract provides technical and management support for Defense Switch Network (DSN), Red Switch Network (RSN), and the DSN Integrated Management Support System (DIMSS), in the development, acquisition, implementation and operation of the DSN, RSN and DIMSS. The statutory authority for other than full and open competition is 10 U.S.C. 2304(c)(1). See Numbered Note 22. Posted 08/31/99 (W-SN374913). (0243)

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