Dual Basing Act of 1990

Dual Basing Act of 1990 - Directs the Secretary of Defense to provide for the dual basing of Army, Air Force, and Marine Corps units. Defines "dual basing" as the stationing of units on a permanent basis inside the United States with rotating short-term assignments to military installations outside the United States for training, exercises, or carrying out international security responsibilities.

Provides for implementation of such dual basing by the Secretary after review and identification of those units that should be exempted from dual basing requirements.