The military says initial findings indicate that the aircraft had experienced a mechanical problem.[49][50][51][52] 14 August – A CH-47D Chinook 89-00171 from B Company, 1–52 Aviation Regiment crashes near the al-Taqaddum air base west of Baghdad, killing five crew on board.[53][54][55] 10 August – A U.S. Navy HH-60 "Rescue Hawk" makes a forced landing in Yusufiyah.