Explainer-What are the "zombie" war powers Congress may repeal?

The U.S. Capitol dome is seen in the morning sun in Washington, D.C., U.S., March 9, 2023. REUTERS/Mary F. Calvert

WASHINGTON (Reuters) - The U.S. Congress is voting this week on legislation to repeal the 1991 and 2002 Authorizations for the Use of Military Force, or AUMFs, against Iraq, lawmakers' latest attempt to reassert Congress' role in deciding whether to send troops into combat.

Here is what to know about these war authorizations.