diff --git a/src/disaster_vehicle.h b/src/disaster_vehicle.h
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+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file disaster_vehicle.h All disaster vehicles. */
+
+#ifndef DISASTER_VEHICLE_H
+#define DISASTER_VEHICLE_H
+
+#include "vehicle_base.h"
+
+/** Different sub types of disaster vehicles. */
+enum DisasterSubType {
+	ST_ZEPPELINER,               ///< Zeppelin, crashes at airports.
+	ST_ZEPPELINER_SHADOW,        ///< Shadow of the zeppelin.
+	ST_SMALL_UFO,                ///< Small UFO, tries to find a road vehicle to destroy.
+	ST_SMALL_UFO_SHADOW,         ///< Shadow of small UFO
+	ST_AIRPLANE,                 ///< Airplane destroying an oil refinery
+	ST_AIRPLANE_SHADOW,          ///< Shadow of airplane
+	ST_HELICOPTER,               ///< Helicopter destroying a factory.
+	ST_HELICOPTER_SHADOW,        ///< Shadow of helicopter.
+	ST_HELICOPTER_ROTORS,        ///< Rotors of helicopter.
+	ST_BIG_UFO,                  ///< Big UFO, finds a piece of railroad to "park" on
+	ST_BIG_UFO_SHADOW,           ///< Shadow of the big UFO
+	ST_BIG_UFO_DESTROYER,        ///< Aircraft the will bomb the big UFO
+	ST_BIG_UFO_DESTROYER_SHADOW, ///< Shadow of the aircraft.
+	ST_SMALL_SUBMARINE,          ///< Small submarine, pops up in the oceans but doesn't do anything
+	ST_BIG_SUBMARINE,            ///< Big submarine, pops up in the oceans but doesn't do anything
+};
+
+/**
+ * Disasters, like submarines, skyrangers and their shadows, belong to this class.
+ */
+struct DisasterVehicle FINAL : public SpecializedVehicle<DisasterVehicle, VEH_DISASTER> {
+	SpriteID image_override;            ///< Override for the default disaster vehicle sprite.
+	VehicleID big_ufo_destroyer_target; ///< The big UFO that this destroyer is supposed to bomb.
+
+	/** For use by saveload. */
+	DisasterVehicle() : SpecializedVehicleBase() {}
+	DisasterVehicle(int x, int y, Direction direction, DisasterSubType subtype, VehicleID big_ufo_destroyer_target = VEH_INVALID);
+	/** We want to 'destruct' the right class. */
+	virtual ~DisasterVehicle() {}
+
+	void UpdatePosition(int x, int y, int z);
+	void UpdateDeltaXY(Direction direction);
+	void UpdateImage();
+	bool Tick();
+};
+
+/**
+ * Iterate over disaster vehicles.
+ * @param var The variable used to iterate over.
+ */
+#define FOR_ALL_DISASTERVEHICLES(var) FOR_ALL_VEHICLES_OF_TYPE(DisasterVehicle, var)
+
+#endif /* DISASTER_VEHICLE_H */