Lieutenant Lily-Mae Fisher died at 31 when a Merlin Mk4 helicopter went down during training in southwestern England, defence ministry confirms. the UK’s only female Royal Navy Commando and had completed the All Arms Commando Course in 2022, earning the green beret. Prior to training, she graduated from Dartmouth in 2019. She served as a Watch Keeper on Op ISOTROPE, coordinating naval assets to deter migrant vessels. Tributes are being paid to the Royal Navy pilot who died in a crash. MOD confirms the deaths of Lily-Mae Fisher among three personnel.