Op Tusker is a ground attack mission for single player and up to 6 players in co-op depending on the version you download. MP = multiplayer
Join up with Tusk flight (2 aircraft who are already airborne and air to air refueling) prior to the border and enemy territory to provide support at an enemy controlled Dam. Then proceed all proceed to a recce position followed by an enemy base bombing and a priority one target. The whole mission relies on good low-level flying, teamwork and energy management in confined areas as well as good situational awareness.