Exhibit 99.1

        Digital Fusion is Major Subcontractor on Gray Research MDDC Team


    HUNTSVILLE, Ala.--(BUSINESS WIRE)--Sept. 13, 2005--Digital Fusion,
Inc. (OTCBB:DIGF), an information technology (IT) and engineering
services provider, announced today their role as a first-tier
subcontractor on the Gray Research/Missile Defense Data Center (MDDC)
team.
    The U. S. Army Space and Missile Defense Command (USASMDC) has
awarded a contract to the Gray Research team to operate and manage the
MDDC in Huntsville, Alabama for the Missile Defense Agency (MDA). The
total potential value of this contract is approximately $73M over a
five-year period. The total potential value of the subcontract to
Digital Fusion is $11.68M.
    "We are very excited to be part of the Gray Research team and look
forward to working closely with all our partners from Gray, SAIC and
CSC to support our customer," said Frank Libutti, chairman and interim
chief executive officer.
    "I am very proud of the role our employees played in this proposal
process. I applaud the tremendous leadership that Ron Gray and his
employees exhibited throughout this competition," said Ed Lyons, vice
president, information technology services.
    The MDDC supports the MDA in developing and fielding an integrated
Ballistic Missile Defense System by managing past, present, and future
missile defense-related data products; facilitating access to those
data products; and producing new data products to support MDA
technology development, testing, and evaluation.

    About Digital Fusion

    Digital Fusion is an information technology and engineering
services company that helps its customers make the most of technology
to meet their business needs. Digital Fusion's IT Services provides
solutions to both government and commercial customers, focused in the
following areas: Business Process Automation, Application Development
and Data Management, Application Security, Web Portals and Digital
Dashboards, System Integration and IT Support. Digital Fusion's
Engineering Services support a variety of customers with
state-of-the-art solutions that include: Computational
Aerodynamics/CFD; Optical Systems Design, Development and Test;
Thermo/Structural Dynamics; Modeling and Simulations;
Hardware-in-the-Loop Testing; Program Analysis; and Ground/Flight
Planning, Execution, and Data Analysis. Based in Huntsville AL,
Digital Fusion also has offices in Orlando, and New Jersey. For
additional information about Digital Fusion visit
http://www.digitalfusion.com.
    Forward Looking Statements. All statements other than statements
of historical fact included in this release are forwardlooking
statements. When used in this release, words such as "project",
"anticipate,'' "believe,'' "estimate,'' "expect," "plan", "intend''
and similar expressions, as they relate to the Company or its
management, as well as assumptions made by and information currently
available to the Company's management, identify forward-looking
statements. Similarly, statements herein that describe the Company's
business strategy, outlook, objectives, plans, intentions or goals are
also forward-looking statements. Actual results could differ
materially from those contemplated by the forward-looking statements
as a result of certain factors including, but not limited to: the
effect of business and economic conditions; the impact of competitive
products and pricing; capacity and supply constraints or difficulties,
the Company's dependence on continued funding of U.S. government
programs; contract procurement and termination risks; competitive
factors such as pricing pressures and/or competition to hire and
retain employees, and material changes in laws or regulations
applicable to the Company businesses. Such statements reflect the
current views of the Company with respect to future events and are
subject to these and other risks, uncertainties and assumptions
relating to the operations, results of operations, growth strategy and
liquidity of the Company. These statements reflect the Company's
current beliefs and are based upon information currently available to
it. Be advised that developments subsequent to this release are likely
to cause these statements to become outdated with the passage of time.



    CONTACT: Digital Fusion Inc.
             Gary S. Ryan, 256-837-2620
             gryan@digitalfusion.com