Washington (CNN)Seven US service members were killed Thursday in a helicopter crash in western Iraq, the US military said. Army Brig. Gen. Jonathan P. Braga, the director of operations for the combined task force leading the fight against ISIS in the region, said all personnel aboard the HH-60 Pave Hawk helicopter were killed. President Donald Trump offered his condolences to the families Friday morning. “Their sacrifice in service to our country will never be forgotten,” the President tweeted.