Scarface One attacking an enemy base hidden in ravines in the missions Greased Lightning, One Night Stand, and El Dorado. El Dorado also introduces targets placed in tunnels that must be attacked by firing a missile directly into the tunnel mouth. Nemo and Rena Hirose following a General Resource A/F-117X NAV HAWK through a canyon on a spy mission. Falco One flying through a canyon to avoid antiaircraft fire while destroying supply warehouses.