Fisher, Lily-Mae, Lieutenant died at 31 when a Merlin Mk4 helicopter crashed during training in southwest England, defence ministry confirms. Britain’s sole serving female Royal Navy Commando and completed the All Arms Commando Course in 2022, earning the green beret alongside other female commandos. She graduated from Dartmouth in 2019 before training. She served as a Watch Keeper on Op ISOTROPE, coordinating naval assets to deter migrant vessels. Tributes pour in to the Royal Navy pilot who died in the helicopter crash. The Ministry of Defence confirms the deaths of Lily-Mae Fisher among three personnel.