def METHOD_NAME(self, sea_route: bool) -> list[MultiGroupTransport]:
    if sea_route:
        return self.find_in_transport_map(
            self.game.blue.transfers.cargo_ships
        ) + self.find_in_transport_map(self.game.red.transfers.cargo_ships)
    return self.find_in_transport_map(
        self.game.blue.transfers.convoys
    ) + self.find_in_transport_map(self.game.red.transfers.convoys)