DISN

May 1, 2019
By George I. Seffers
DISA’s Roger Greenwell manages operational and technical risks on one of the world’s most complex—and most critical—networks, the Defense Information Systems Network. Credit: geralt/Pixabay

When operating one of the most complex and critical networks on the planet, risk is a given. That risk comes in two forms, technical and operational, and managing both is a matter of balance.

Roger Greenwell, Defense Information Systems Agency (DISA) risk management executive and authorizing official, is responsible for maintaining that balance on the Defense Information Systems Network (DISN), a global enterprise network that enables information superiority and critical communications. The DISN is the core of the Department of Defense Information Network, a worldwide conglomeration of military networks.

September 1, 2018
By Lt. Col. Christopher Treff, USAF
Select personnel from 15 Air National Guard Engineering and Installation organizations are installing more than 600 miles of cabling in support of the U.S. Strategic Command (STRATCOM), Command and Control facility (C2F) construction project. U.S. Air Force photo by Steve Cunningham

U.S. Strategic Command headquarters, the lynchpin for U.S. nuclear deterrence, is undergoing the technical renovations it requires to fulfill its current mission and facilitate growth for future operations. The new command and control facility under construction integrates the latest technologies and meets the growing demand to continue to evolve as needs emerge.

June 15, 2012
By George Seffers

Lockheed Martin Information Systems & Global Solutions Division, Manassas, Virginia, was awarded an indefinite-delivery/indefinite-quantity contract that includes a mix of firm-fixed-price, fixed-price with incentive, cost-plus-incentive-fee, and cost-plus and fixed-fee pricing plans. The contract is for worldwide support services necessary to carry out the day-to-day operations of Global Information Grid networks and related services, and to sustain the existing network and subsequent technology enhancement. The total cumulative face value of the contract is $1,911,000,000. The performance period includes a base period of performance of three years, from July 9, 2012 through July 8, 2015, and two two-year option periods, for a total

March 24, 2011
By George Seffers

APPTIS Incorporated (formerly, SETA Corporation), McLean, Virginia, and Science Applications International Corporation, San Diego, California, were awarded two contract modifications to the Defense Information Systems Network (DISN) Global Solutions (DGS) contracts. The increase to the ceiling amounts were to ensure continuous, uninterrupted services provided under the DGS contracts as the government re-competes the associated efforts. As a result of these changes, the DGS contracts lifecycle period of performance end date will be changed to March 31, 2012, and the total combined ceiling will be changed from $4.2 billion to more than $4.8 billion, an increase of $635 million dollars. The DGS contracts are open for use to all federal agen

December 6, 2010
By George Seffers

AT&T Corporation, Oakton, Virginia, was awarded a nearly $218 million contract for Defense Information Systems Network (DISN) Video Services-Global (DVS-G) which provides video service and video teleconference services. This contract will provide interoperable global unclassified and classified video services and a full-service video teleconferencing utility for all DISN users. The video teleconferencing service is a real-time, near-full motion video service that allows simultaneous video and audio communications between two or more dedicated or dial-up sites worldwide. DVS-G provides critical support to a variety of overseas contingency operations missions.