Joint Forces Command Act of 1998

Joint Forces Command Act of 1998 - Directs the President to establish a unified combatant command for joint forces which shall: (1) integrate elements of the various service branches into joint forces, prepare such forces for their assigned mission, and provide such forces as required by combatant commanders; and (2) design, develop, and carry out joint experimentation to assist in determining the future capabilities, organization, and operational concepts of the joint military force.

Provides for: (1) joint forces command assignments; (2) authorities and responsibilities of the combatant commander; (3) the establishment within such command of a joint experimentation force; (4) annual reports from the joint commander to the Secretary of Defense describing joint experimentation activities conducted (requiring such reports to be transmitted to the Congress, along with the Secretary's comments); (5) the establishment by the Secretary of a separate major force program budget category for joint experimentation activities; (6) funding determinations for joint force experimentation; and (7) joint command staffing.

Requires the: (1) joint force command to be established no later than October 1, 1999; and (2) Secretary to submit an implementation plan and initial budgeting request for such command.