Iraqi forces periodically target Islamic State group sleeper cells, with support from a US-led coalition

US-Iran tensions spike as five US-linked sites attacked within five days, apparently from Shiite areas

US president said planning Memorial Day gesture for Navy SEAL, Green Beret and others accused or convicted of multiple murders of unarmed civilians

Lt. Michael Behenna had been scheduled to remain on parole until 2024; questions have been raised about court's handling of his claim of self-defense