Abstract: There is provided a method and apparatus for simulating a flight scenario during a live flight of an aircraft. The method comprises: (i) generating (60) images comprising scenes relevant to the simulated flight scenario at a simulated altitude; (ii) calculating, using live flight data received for the aircraft and with reference to a predetermined flight model (65), simulated flight data for the simulated flight scenario at the simulated altitude; and (iii) displaying, on a display system (35) of the aircraft, the calculated simulated flight data while controlling the display of said generated scene images to simulate movement of the aircraft through the displayed scene at a rate and in a direction corresponding to the displayed simulated flight data. The method and apparatus may optionally alter the response of the aircraft to control actions (70) by a pilot to simulate the response expected of the aircraft having the simulated flight characteristics.

Abstract: A method and system for positioning a vehicle in relation to each moving target of an ordered set of moving targets. Each of the moving targets moves from an initial position at a constant velocity. Embodiments can compute an estimated time for the vehicle to be positioned within a predetermined proximity of one of the moving targets; compute an estimated location of the moving target at the estimated time, based on a current position of the moving target and the constant velocity of the moving target, and compute a required velocity for the vehicle to move from its current position to reach the estimated location by the estimated time. If the required velocity is less than or equal to a maximum velocity of the vehicle, outputting the estimated time and the estimated location for use in positioning the vehicle.

Abstract: According to a first aspect of the present invention, there is provided a munition assembly, arranged to be launched from a gun, the assembly comprising: a carrier for a submunition, the carrier comprising a cavity in which the submunition is located; and a submunition, carried by the carrier in the cavity, the submunition arranged to be controllably expelled from the carrier; the submunition comprising: a submunition explosive charge; and a submunition fuze, wherein: the munition assembly is adapted to be launched, into the air, from a gun barrel, where the submunition is then arranged to be controllably expelled from the carrier and enter a body of water; and the submunition fuze is adapted to trigger the submunition explosive charge under water.

Abstract: The present invention relates to an apparatus, detachably mountable to the external surface of an aircraft. More specifically, the present invention relates to a fully self-contained apparatus comprising an electrical device, such as a Directed Energy Weapon (DEW), and a corresponding thermal management system and power supply.

Abstract: A system and method for controlling a vehicle (100), the vehicle (100) having an autonomous mode of operation, the system comprising: one or more sensors (102) configured to measure one or more parameters associated with an operator (110) controlling the vehicle (100) to perform a first operation; and one or more processors (106) configured to: determine that measurements taken by the one or more sensors (102) fulfil one or more predetermined criteria; responsive to determining that the measurements taken by the one or more sensors (102) fulfil the one or more predetermined criteria, determine a second operation for performance by the vehicle (100); and control the vehicle (100) in the autonomous mode such that the vehicle (100) performs the second operation.

Abstract: According to an aspect of the invention, there is provided a method of triggering an explosive charge of each of a plurality of munitions, the method comprising: launching a first munition, into the air, from a first gun barrel, and into water to engage with a target location, the first munition comprising a first explosive charge and a first fuze system, adapted to trigger the first explosive charge in the water, launching a second munition, into the air, from a second gun barrel, and into water to engage with the target location, the second munition comprising an second explosive charge and a second fuze system, adapted to trigger the second explosive charge in the water, the method comprising co-ordinating the timing of the triggering of the first explosive charge and the second explosive charge to establish a co-ordinated explosive event at the target location.

Abstract: A multi-aperture free-space optical communications receiver comprises a plurality of telescopes each having a clear objective aperture with a diameter between 50 mm and 250 mm and arranged for receiving light collectively from an optical communications light source. A coherent combiner unit is configured for coherently combining the collectively received light to produce a combined optical signal therewith. Each telescope is arranged in association with, respectively, a wavefront detector to determine a wavefront of said received light directed to it by the respective telescope, a steerable reflector unit including a deformable mirror controllable to deform according to said determined wavefront such that said received light is reflected by the deformable mirror with a modified wavefront, and an optical signal receiver comprising a single-mode optical fibre.

Abstract: According to an aspect of the invention, there is provided a system for reducing water-entry shock for a projectile entering the water, the system comprising: a first component, the first component being moveable to a target region for which water-entry shock is to be reduced, and arranged to interact with the water, for reducing water-entry shock for a second component; a second component in the form of the projectile, arranged to enter the water in the region for which water-entry shock has been reduced by the first component, functionality of the second projectile component being triggered by the water.

Abstract: According to an aspect of the invention, there is provided a fuze arming system for a submunition, comprising: a first stage, arranged to detect launch of the submunition and its associated carrier; a second stage, arranged to detect expulsion of the submunition from the carrier, and to at least partially arm a submunition fuze based on such detection; wherein the second stage is unable to at least partially arm the submunition fuze without the first stage detecting launch of the submunition and its associated carrier.

Abstract: An image projection system utilising a digital mirror device with pivotable mirrors and an asymmetric angular illumination of the mirrors.

Abstract: According to a first aspect of the invention, there is provided a programmable system for a munition, comprising: an electroacoustic transducer, arranged to receive an acoustic signal comprising data, and convert that signal into an electrical signal comprising data; a processor, arranged to receive and process the electrical signal comprising data, and to use that data in programming of the programmable system.

Abstract: A heat exchanger comprising: a core comprising first fluid channels, for guiding a first fluid, wherein each of the first fluid channels comprises a plurality of spur conduits interconnecting with at least one of another of the first fluid channels; a manifold for first fluid input comprising an input port which communicates with an input chamber for a first fluid, the chamber branching to form a plurality of first-fluid core-input channels; and a manifold for first fluid output comprising a plurality of first-fluid core-output channels which lead into an output chamber communicating with an output port, wherein each first fluid channel in the core communicates between a respective first-fluid core-input channel and a respective first-fluid core-output channel.

Abstract: There is provided an apparatus and method for disrupting radar systems. The apparatus comprises a chamber (110) for attachment to a vehicle, a radar countermeasure material (130) in the chamber, the radar countermeasure material comprising a plurality of hollow fibres, wherein the inner surface of at least some of the hollow fibres is at least partly coated with a conductive substance, and a release means (140) for dispensing the radar countermeasure material out of the chamber.

Abstract: A releasable clamp 10 for holding an article 1000 or parts thereof is describe. The clamp 10 comprises: a set of jaws, including a first jaw 100A and a second jaw 100B, arrangeable to hold the article 1000 therebetween; a set of spacers, including a first spacer 200A, arrangeable to space apart respective jaws of the set of jaws; and a set of retaining members, including a first retaining member 300A, arrangeable to space together respective jaws of the set of jaws; wherein respective jaws of the set of jaws comprise a first region 110 for contacting the article 1000, an optional second region 120 defining a portion of a first part 410 of a coupling member 400, a third region 130 for contacting a respective spacer of the set of spacers and a fourth region 140 for contacting a respective retaining member of the set of retaining members.

Abstract: The present invention provides a vehicle (100) comprising: a body (4) having a skin; a heat source (12); and a thermal management system. The thermal management system comprises: a heat pipe (14) comprising: an evaporator end (close to 12) and a condenser end (close to heat exchanger 22a, 22b); a vapour arranged to flow from the evaporator end to the condenser end; and a working fluid arranged to flow from the condenser end to the evaporator end, wherein the heat pipe (14) is arranged such that the evaporator end is arranged in proximity to the heat source to absorb heat from the heat source; and one or more heat exchangers arranged in proximity to the condenser end and integrated with the skin. The present invention also provides a method of managing temperature in a vehicle.

Abstract: A payload mechanism for a vehicle is provided.

Abstract: A head mounted display system for use on a watercraft is disclosed. The head mounted display system comprises circuitry to determine orientation information of a head mounted display system relative to the watercraft and a display configured to superimpose graphical information over objects in a field of view of at least one eye of a user of the head mounted display system. The graphical information is based on sensor data and the orientation information of the head mounted display. The sensor data is provided by at least one data source associated with the watercraft.

Abstract: A tracking system for use with a head mounted display on a watercraft is disclosed. The tracking system comprises: optical tracking circuitry to determine first tracking information of the head mounted display using optical tracking means; non-optical circuitry to determine second tracking information of the head mounted display using non-optical tracking means; and correction circuitry to determine an updated tracking information of the head mounted display based on the first tracking information and the second tracking information. The selection of at least the optical tracking means or non-optical tracking means to use to determine the first tracking information and the second tracking information is based on a location of the head mounted display.

Abstract: A waveguide structure for a head up display in which a reflective output coupling structure is formed of a separate, but connected, component to a main waveguide. Light is coupled from the main waveguide to the output coupling structure by evanescent wave coupling. In a method of manufacture for such a waveguide the output coupling structure is attached to the main waveguide using an optical feedback technique.

Abstract: A method for communicating with a database for product life cycle support (PLCS database), the method comprising receiving from a first client apparatus a first communication containing an input data item for entry in the PLCS database and a first identifier identifying the input data item; correlating the first identifier with a data field used in the PLCS database amongst all data fields used in the PLCS database thereby identifying a correlated data field of the PLCS database to be associated with the input data item; searching the PLCS database to access an entry therein associated with the correlated data field; updating the entry of the PLCS database according to the input data item; re-correlating said correlated data field of the PLCS database with a second identifier associated with a second client apparatus; outputting to the second client apparatus a second communication containing an output data item according to the updated PLCS database entry which includes said second identifier identifying the