mutiny on the high seas

Translations
мятеж в открытом море
The crew staged a mutiny on the high seas.
Экипаж устроил мятеж в открытом море.
Definitions
A rebellion or revolt by members of a ship's crew against the authority of the ship's captain or officers, typically occurring in international waters.
Words
mutiny

noun
мятеж
sea

noun
море
high

adjective
высокий