Abstract: A watercraft may include a first shaped charge as well as a second shaped charge. The second shaped charge may be positioned behind the first shaped charge in an effective direction of the first shaped charge. The effective direction of the first shaped charge and an effective direction of the second shaped charge may run to a common target point. At least one of the first shaped charge or the second shaped charge is movable. Further, a distance sensor may be configured to detect a distance between the watercraft and an object positioned in front of the watercraft. An electronic evaluation and control system can process the distance that is detected by the distance sensor and move at least one of the first shaped charge or the second shaped charge based on the distance that is detected.

Abstract: A transport box may be utilized to set down a watercraft into water with a traction mechanism, with a support for securing the traction mechanism for lowering the transport box, and with a frame that is designed to receive the watercraft in the transport box. The transport box is configured to receive an upper side of the watercraft and to set the watercraft down on a lower side into the water.

Abstract: A watercraft may have a shaped charge and a gas chamber. The gas chamber may be adjacent to the shaped charge in a direction of action of the shaped charge. The gas chamber can be varied in length in the direction of action of the shaped charge. Further, the shaped charge may be movable parallel to the direction of action of the shaped charge. A threaded rod can be used to move the shaped charge. In some cases a length of the gas chamber is variable between 0.1-times and 10.0 times a diameter of the shaped charge. The watercraft may be configured in some instances as an unmanned underwater vehicle.

Abstract: A watercraft may include a first shaped charge as well as a second shaped charge. The second shaped charge may be positioned behind the first shaped charge in an effective direction of the first shaped charge. The effective direction of the first shaped charge and an effective direction of the second shaped charge may run to a common target point. At least one of the first shaped charge or the second shaped charge is movable. Further, a distance sensor may be configured to detect a distance between the watercraft and an object positioned in front of the watercraft. An electronic evaluation and control system can process the distance that is detected by the distance sensor and move at least one of the first shaped charge or the second shaped charge based on the distance that is detected.

Abstract: A weapon may comprise an explosive charge, an activatable detonation ignition means, an activatable deflagration ignition means, and an ignition device. The ignition device can activate, selectively, the detonation ignition means or the deflagration ignition means. The activated detonation ignition means can cause the explosive charge to detonate. The activated deflagration ignition means can cause the explosive charge to deflagrate. According to one method, the ignition device activates the detonation ignition means, which causes the explosive charge to detonate. If a predetermined event takes place without the explosive charge detonating, the ignition device activates the deflagration ignition means, which causes the explosive charge to deflagrate.

Abstract: A launching device and associated methods can be utilized to launch an underwater running body from a platform such as a watercraft. The launching device may include a ramp, which extends along a longitudinal ramp axis, and a propellant deflection unit. The ramp may enclose an underwater running body with a propulsion unit underwater. The launching device may activate the propulsion unit, which then emits a propellant. The propellant deflection unit deflects the emitted propellant into an outlet direction. This outlet direction of the propellant may be directed perpendicularly or obliquely away from the platform.

Abstract: An underwater vehicle may include a first propulsion element disposed on a first swivel holder, a first drive motor that is able to drive the first propulsion element, and a swivel mechanism that is able to move the first swivel holder relative to an outer hull of the underwater vehicle from a swiveled-in position into a swiveled-out position. The underwater vehicle can detect a given event automatically under water. In response to the detection of the event, the underwater vehicle may activate the swivel mechanism. The activated swivel mechanism may then move the first swivel holder into the swiveled-out position.

Abstract: An underwater body having a movable component which can be moved into a retracted position and, as a result, increases the volume of the underwater body. In addition, a method is disclosed for operating such an underwater body. An expansion means conducts a fluid into a hollow space. The hollow space is operatively connected to the movable component. When the fluid is conducted into the hollow space, the movable component is moved into the extended position relative to the shell of the underwater body. The fluid in the hollow space hardens. The hardened fluid in the hollow space holds the movable component in the extended position.

Abstract: An underwater vehicle may include a first propulsion element disposed on a first swivel holder, a first drive motor that is able to drive the first propulsion element, and a swivel mechanism that is able to move the first swivel holder relative to an outer hull of the underwater vehicle from a swiveled-in position into a swiveled-out position. The underwater vehicle can detect a given event automatically under water. In response to the detection of the event, the underwater vehicle may activate the swivel mechanism. The activated swivel mechanism may then move the first swivel holder into the swiveled-out position.

Abstract: An underwater body having a movable component which can be moved into a retracted position and, as a result, increases the volume of the underwater body. In addition, a method is disclosed for operating such an underwater body. An expansion means conducts a fluid into a hollow space. The hollow space is operatively connected to the movable component. When the fluid is conducted into the hollow space, the movable component is moved into the extended position relative to the shell of the underwater body. The fluid in the hollow space hardens. The hardened fluid in the hollow space holds the movable component in the extended position.

Abstract: The invention relates to a method for determining the direction of a source of waterborne sound that emits a waterborne acoustic signal, by means of a hydrophone arrangement which forms a linear antenna or a virtual linear antenna, as well as to a computer program product, a computer, a sonar, and a watercraft.

Abstract: The invention relates to a launch apparatus for an Unmanned Underwater Vehicle—in particular, for an Autonomous Underwater Vehicle or for a Remotely Operated Vehicle—with a launching tube having an inner wall and an outlet, and the Unmanned Underwater Vehicle contained within the launching tube, whereby the Unmanned Underwater Vehicle has a vehicle casing with a vehicle casing inhomogeneity, such that an ejection of the Unmanned Underwater Vehicle causes different contact loads between the vehicle casing and the inner wall, whereby the Unmanned Underwater Vehicle has a detachable compensating form, which is designed in such a way that the vehicle inhomogeneity is compensated, such that the result is a combination of the Unmanned Underwater Vehicle and the detachable compensating form, the combination whereof, when ejected, causes a substantially more uniform contact load to occur between the combination and the inner wall.

Abstract: The invention relates to a mockup with an optical transmission path, which optically connects the optical entrance to the optical exit, wherein an optical attenuator is arranged in the optical transmission path, wherein an optical condition of the transmission path is adjusted by means of the optical attenuator so that an optical transmission behavior of a wound optical fiber is simulated. The invention also relates to a mockup system, underwater vessel and/or sinker, a transfer mechanism, and a vessel, together with a training method with a mockup, which is deployed in an underwater vessel and/or in a sinker.

Abstract: The invention relates to a monitoring system for monitoring a watercraft or several watercrafts, having an identification device and a first hydrophone, which is configured such that acoustic signals that are emitted by watercrafts are determined as underwater sound information therein, whereby the identification device has a first memory for storing the underwater sound information and a second memory for storing watercraft information, whereby the first and second memories are interconnected, characterized in that the first hydrophone is arranged in a stationary and fixed manner.

Abstract: The invention relates to an underwater antenna device with a nonstationary antenna, an extension mechanism and a repositioning mechanism, wherein an extending force can be applied in a direction of the extending force by the extension mechanism of the antenna and an opposing force can be applied in a direction of the opposing force, in the opposite direction to the extending force by the repositioning mechanism of the antenna, characterized in that the repositioning mechanism or a part of the repositioning mechanism is designed as selectively nonstationary, so that, by selected changes to the position, the antenna can be positioned in a retracted position, an extended position or an intermediate position.

Abstract: A method for pulling an autonomous submersible vehicle into a mother ship. The method includes the steps of letting out a floating line from the mother ship, allowing at least part of a capturing line to rise from the submersible vehicle using a capturing buoy, to cause the submersible vehicle to cross under the floating line in such a way that the capturing line with the capturing buoy becomes caught on the floating line, and to draw the submersible vehicle to the mother ship by pulling in the floating line.

Abstract: The invention relates to an activation device for an electric battery unit, in particular, for a battery part of a torpedo. The invention also relates to a battery unit with activation devices of this type. An activation device incorporates an operating supply connection, to which an operating supply reservoir can be connected. A movably arranged cutting element can be pneumatically actuated via a pneumatic connection of the activation device by means of an actuation element, wherein a sealing element arranged in the path of travel of the cutting element controls the operating supply connection. In order to guarantee a safe storage, ready for operation, and a safe activation of a battery unit, it is provided in accordance with the invention that the activation device incorporates a pneumatic outlet, which can be fluidically connected to the pneumatic connection, depending on the position of the actuation element.

Abstract: The invention relates to an underwater work system 1 with at least one autonomous unmanned underwater vehicle 2 and one unmanned relay vehicle 4 floating at the surface of the water 3, which comprises a radio antenna 5 for external communication 26 and a drive 16. The underwater vehicle 2 is connected to the relay vehicle 4 via an internal communication device. The invention furthermore relates to a method for operating an underwater work system. In order to create an underwater work system with an autonomous underwater vehicle and an unmanned relay vehicle floating at the surface of the water as well as a method for operating such an underwater work system, which provides an increased efficiency of the autonomous underwater vehicle 2 with short mission times, it is provided according to the invention that the relay vehicle 4 is controllable by means of a control unit 16 via the at least one autonomous underwater vehicle 2 in due consideration of navigation information 17.

Abstract: The invention relates to a method of classifying one or several watercraft using the sound waves emitted or transmitted by these vehicles. The sound waves are thereby received using an array of underwater sound sensors of a sonar receiving system and processed into received signals. At least one amplitude spectrum is generated from these received signals consisting of one or more sets of frequency lines and any individual lines, from which the characteristic vehicle parameters are automatically determined in a frequency line pattern detection module or determined manually. Subsequently, the vehicle characteristic parameters are compared with the database parameters, where this comparison is evaluated with a matching factor. Considering the matching factor, one or several watercraft are determined as the result of the classification. In addition, the invention relates to a corresponding device for carrying out the process.

Abstract: The invention relates to an acoustic converter (101), in particular a hydrophone (103), comprising an interferometer and an associated first vibration element (151, 251), which is maintained by a support. Said interferometer comprises a light source (111), a first signal beam (113), a signal beam splitter, a first reference beam (115), a first scanning beam (117), a first measuring beam (119) and an optical sensor (141). Said light source emits the first signal beam and the first reference beam and the first measuring beam are superimposed onto the optical sensor. The first scanning beam is directed to the first vibration element and the first measuring beam causes a Doppler shift with respect to the first scanning beam based on a vibration of the first vibration element, characterized in that the first vibration element is arranged in a first liquid.