What does the Individual Ready Reserve (IRR) consist of?

The Individual Ready Reserve (IRR) is a component of the U.S. military reserve forces that consists of individuals who have received military training and have previously served on active duty or in the Selected Reserve. Members of the IRR are not currently serving on active duty but remain part of the military's reserve structure. They may be called back to service in times of need, such as during a national emergency or war.

Individuals in the IRR have completed their active duty obligations and retain their military affiliation, which allows them to be recalled to active status if necessary. This differs from active duty personnel, who are currently serving, and reservists who participate in regular drills and training. The IRR is specifically designed to keep these trained individuals available in the event their skills are needed in the future.