baisser pavillon bedeutet auf Englisch

strike [struck, striking, strikes]▼◼◼◼(nautical: to surrender)
verb
[UK: straɪk] [US: ˈstraɪk]

strike one's flag▼(to take down one's flag to indicate surrender)
verb
[UK: straɪk wʌnz flæɡ] [US: ˈstraɪk wʌnz ˈflæɡ]