The investigation into the February 6, 2024, military helicopter crash that killed five Marines has concluded, attributing the incident to pilot error and contributing factors like poor weather conditions. The crew, comprised of Lance Cpl. Donovan Davis, Sgt. Alec Langen, and Captains Benjamin Moulton, Jack Casey, and Miguel Nava, had encountered engine issues during a training flight. The report criticized the commanding officer for approving the flight despite it exceeding his authority, and it emphasized the need for cockpit voice recorders to prevent future tragedies.