The US Army is grounding its entire fleet of Chinook helicopters amid concerns about engine fires, US Army spokesperson Cynthia Smith said in a statement to Sputnik. “The Army has identified the root cause of fuel leaks that caused a small number of engine fires among an isolated number of H-47 [Chinook] helicopters and is … Continue reading US Army Grounds Entire Fleet Of Chinook Helicopters Amid Engine Fire Concerns – Spokesperson