|
LOGIR
The Low-Cost Guided Imaging Rocket was a weapons system under development for the US Navy as part of Office of Naval Research, ONR's Low-Cost Imaging Terminal Seeker (LCITS) Future Naval Capabilities, FNC. It transitioned as the weapon used in the Medusa Joint Capability Technology Demonstration with South Korea. The program provided a precision guided 2.75 inch (70 mm) rocket for use with existing Hydra 70 systems in service, as such it has many similarities with the Advanced Precision Kill Weapon System program. The principal difference between the systems is that while APKWS uses terminal laser homing, requiring the target to be 'painted' until impact, LOGIR would guide to a position supplied by the launching aircraft, using imaging infrared in the terminal phase making it a true fire-and-forget weapon. Another advantage of LOGIR was that it was "especially effective against swarm attacks by enemies like small boats, as there’s no need for ongoing guidance." The South Ko ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ROK Marine Corps
The Republic of Korea Marine Corps (ROKMC; ko, 대한민국 해병대, Daehanminguk Haebyeongdae), also known as the ROK Marine Corps or ROK Marines, is the Marines, marine corps of South Korea. The ROKMC is a branch of the Republic of Korea Navy responsible for Amphibious warfare, amphibious operations, and also functions as a rapid reaction force and a strategic reserve. The ROKMC was founded as a suppression operations force against communist partisans in 1949, prior to the Korean War. The ROKMC also fought in combat during the Vietnam War. The ROK Marine Corps, with 29,000 personnel, is organized into two divisions and two separate brigades under the Headquarters ROK Marine Corps. The ROK Marine Corps has about 300 tracked vehicles including Assault Amphibious Vehicle, assault amphibious vehicles, main battle tanks, and self-propelled artillery. History Founding years On April 15, 1949, the Republic of Korea Marine Corps (ROKMC) was founded at Jinhae Airport, Deoksan airf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Direct Attack Guided Rocket
The Direct Attack Guided Rocket (DAGR) is a weapons system under development by Lockheed Martin. The program goal is to provide a low cost 2.75 inch (70 mm) precision guided rocket which is compatible with existing Hellfire II systems and launchers in service. The system will use components from the existing Hydra 70 rocket, but differs from other upgrades to the Hydra 70 such as APKWS and LOGIR in that it is designed to be plug and play compatible with the Hellfire missile and use the M299 Hellfire launcher, increasing the load-out by up to four times. DAGR also offers a lock-on before launch capability that is not compatible with the electronics in existing Hydra 70 launchers. Specifications * Diameter: 2.75 in (70 mm) * Length: 75 in (1.9 m) * Wingspan: 8.75 in (222 mm) * Weight: 35.0 lb (15.8 kg) * Guidance: Semi-active laser homing (SALH). * Range from Sea Level: Min: 1.5 km Max: 5 km * Range from : 12 km. * Motor: Existing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydra 70
The Hydra 70 rocket is a diameter fin-stabilized unguided rocket used primarily in the air-to-ground role. It can be equipped with a variety of warheads, and in more recent versions, guidance systems for point attacks. The Hydra is widely used by US and allied forces, competing with the Canadian CRV-7, with which it is physically interchangeable. Overview The Hydra 70 is derived from the diameter Mk 4/Mk 40 Folding-Fin Aerial Rocket developed by the United States Navy for use as a free-flight aerial rocket in the late 1940s. The Mk 40 was used during the Korean and Vietnam wars to provide close air support to ground forces from about 20 different firing platforms, both fixed-wing and armed helicopters. The main change made to produce the Hydra was the Mk. 66 motor which uses a new propellant that offers considerably more thrust, (Mod 2/3) (Mod 4). The fins of the Mk 40 flipped forward from the rear when the rocket left the launching tube, but in the Hydra they are curved ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
US Navy
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage of its active battle fleet alone exceeding the next 13 navies combined, including 11 allies or partner nations of the United States as of 2015. It has the highest combined battle fleet tonnage (4,635,628 tonnes as of 2019) and the world's largest aircraft carrier fleet, with eleven in service, two new carriers under construction, and five other carriers planned. With 336,978 personnel on active duty and 101,583 in the Ready Reserve, the United States Navy is the third largest of the United States military service branches in terms of personnel. It has 290 deployable combat vessels and more than 2,623 operational aircraft . The United States Navy traces its origins to the Continental Navy, which was established during the American Revolut ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guided Advanced Tactical Rocket - Laser
The Guided Advanced Tactical Rocket (GATR) is a weapons system under development by Orbital ATK and Elbit Systems. It is intended to provide a low-cost guided missile compatible with existing unguided 70mm rocket launch platforms such as the Hydra 70. The penetrating version of the GATR is equipped with a steel-cased M282 warhead and a programmable fuze. It can be set from the cockpit to detonate on impact or after a delay and is capable of penetrating a triple-brick wall and light-vehicle armor. History In April 2013, ATK was awarded a $3.2 million contract from the U.S. Special Operations Command to provide GATR precision guided missiles for evaluation. - ATK press release, April 22, 2013 < ...
|
Infrared Homing
Infrared homing is a passive weapon guidance system which uses the infrared (IR) light emission from a target to track and follow it seamlessly. Missiles which use infrared seeking are often referred to as "heat-seekers" since infrared is radiated strongly by hot bodies. Many objects such as people, vehicle engines and aircraft generate and emit heat and so are especially visible in the infrared wavelengths of light compared to objects in the background. Infrared seekers are passive devices, which, unlike radar, provide no indication that they are tracking a target. That makes them suitable for sneak attacks during visual encounters or over longer ranges when they are used with a forward looking infrared or similar cuing system. Heat-seekers are extremely effective: 90% of all United States air combat losses over the past 25 years have been caused by infrared-homing missiles. They are, however, subject to a number of simple countermeasures, most notably by dropping flares beh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Inertial Guidance System
An inertial navigation system (INS) is a navigation device that uses motion sensors (accelerometers), rotation sensors ( gyroscopes) and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity (direction and speed of movement) of a moving object without the need for external references. Often the inertial sensors are supplemented by a barometric altimeter and sometimes by magnetic sensors ( magnetometers) and/or speed measuring devices. INSs are used on mobile robots and on vehicles such as ships, aircraft, submarines, guided missiles, and spacecraft. Other terms used to refer to inertial navigation systems or closely related devices include inertial guidance system, inertial instrument, inertial measurement unit (IMU) and many other variations. Older INS systems generally used an inertial platform as their mounting point to the vehicle and the terms are sometimes considered synonymous. Overview Inertial navigation is a self-cont ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aircraft Flight Control System
A conventional Fixed-wing aircraft, fixed-wing aircraft flight control system consists of flight control surfaces, the respective cockpit controls, connecting linkages, and the necessary operating mechanisms to control an aircraft's direction in flight. Aircraft engine controls are also considered as flight controls as they change speed. The fundamentals of aircraft controls are explained in flight dynamics (fixed-wing aircraft), flight dynamics. This article centers on the operating mechanisms of the flight controls. The basic system in use on aircraft first appeared in a readily recognizable form as early as April 1908, on Louis Blériot's Blériot VIII pioneer-era monoplane design. Cockpit controls Primary controls Generally, the primary cockpit flight controls are arranged as follows:Langewiesche, WolfgangStick and Rudder: An Explanation of the Art of Flying McGraw-Hill Professional, 1990, , . * a Yoke (aircraft), control yoke (also known as a control column), centre s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guidance System
A guidance system is a virtual or physical device, or a group of devices implementing a controlling the movement of a ship, aircraft, missile, rocket, satellite, or any other moving object. Guidance is the process of calculating the changes in position, velocity, altitude, and/or rotation rates of a moving object required to follow a certain trajectory and/or altitude profile based on information about the object's state of motion. A guidance system is usually part of a Guidance, navigation and control system, whereas navigation refers to the systems necessary to calculate the current position and orientation based on sensor data like those from compasses, GPS receivers, Loran-C, star trackers, inertial measurement units, altimeters, etc. The output of the navigation system, the navigation solution, is an input for the guidance system, among others like the environmental conditions (wind, water, temperature, etc.) and the vehicle's characteristics (i.e. mass, control system avail ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fire-and-forget
Fire-and-forget is a type of missile guidance which does not require further external intervention after launch such as illumination of the target or wire guidance, and can hit its target without the launcher being in line-of-sight of the target. This is an important property for a guided weapon to have, since a person or vehicle that lingers near the target to guide the missile (using, for instance, a laser designator) is vulnerable to attack and unable to carry out other tasks. Generally, information about the target is programmed into the missile just prior to launch. This can include coordinates, radar measurements (including velocity), or an infrared image of the target. After it is fired, the missile guides itself by some combination of gyroscopes and accelerometers, GPS, onboard active radar homing, and infrared homing optics. Some systems offer the option of either continued input from the launch platform or fire-and-forget. Fire-and-forget missiles can be vulnerable ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Office Of Naval Research
The Office of Naval Research (ONR) is an organization within the United States Department of the Navy responsible for the science and technology programs of the U.S. Navy and Marine Corps. Established by Congress in 1946, its mission is to plan, foster, and encourage scientific research to maintain future naval power and preserve national security. It carries this out through funding and collaboration with schools, universities, government laboratories, nonprofit organizations, and for-profit organizations, and overseeing the Naval Research Laboratory, the corporate research laboratory for the Navy and Marine Corps. NRL conducts a broad program of scientific research, technology and advanced development. ONR Headquarters is in the Ballston neighborhood of Arlington, Virginia. ONR Global has offices overseas in Santiago, Sao Paulo, London, Prague, Singapore, and Tokyo. Overview ONR was authorized by an Act of Congress, Public Law 588, and subsequently approved by President ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Imaging Infrared
Infrared thermography (IRT), thermal video and/or thermal imaging, is a process where a thermal camera captures and creates an image of an object by using infrared radiation emitted from the object in a process, which are examples of infrared imaging science. Thermographic cameras usually detect radiation in the long-infrared range of the electromagnetic spectrum (roughly 9,000–14,000 nanometers or 9–14 μm) and produce images of that radiation, called thermograms. Since infrared radiation is emitted by all objects with a temperature above absolute zero according to the black body radiation law, thermography makes it possible to see one's environment with or without visible illumination. The amount of radiation emitted by an object increases with temperature; therefore, thermography allows one to see variations in temperature. When viewed through a thermal imaging camera, warm objects stand out well against cooler backgrounds; humans and other warm-blooded animals become ea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
