coupled (linked)switch,deck switch,gang switch

Air Switch，Air-break Switch

switch on and switch off

switch point；point tongue；switch rail；tongue rail；blade

whippletree switch whiffletree switch

Continuous salvo

fire salvo

formation salvo

full salvo {torpedo control}

missile salvo firing

parallel salvo

pattern {of a salvo}

Salvo

salvo arm

salvo fire

salvo launch

salvo shot

sector salvo

torpedo salvo