Bay Route, arcade.
Japanese flyer for the arcade shooter Bay Route, which you can read all about here (hope you like guys in vests and brightly-coloured trousers.)
At the big VGJunk site today: Running! And shooting! And not being as good as Contra! Sunsoft made it, Sega published it, it’s the 1989 arcade shooter Bay Route. Confusing grenade launchers, familiar stage one bosses and the terror that is The Box, Bay Route really has it all (except innovation). You can read all about it here!