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Next Generation Corvette
Next Generation Corvette (NGC) are a planned Ship class, class of eight anti-surface warfare (AsuW) corvettes for the Indian Navy. Under this programme, the Indian Navy intends to acquire advanced ships armed with anti-ship missile, anti-ship or land-attack missiles like BrahMos. Ships in this class will feature advanced stealth features like a low radar cross section (RCS), Infrared signature, infrared, Acoustic signature, acoustic and Deperming, magnetic signatures. On 6 June 2022, the Defence Acquisition Council (DAC) under the Ministry of Defence (India), Ministry of Defence cleared the acquisition proposal of the 8 Next-generation corvettes worth for the Indian Navy. According to a report on 2 May 2024, Next Generation Corvettes will be fitted with indigenous marine diesel engines which will be developed under the 'Make-I category'. The development and manufacturing of the engines will probably be carried out by Kirloskar Group, Kirloskar Oil Engines Ltd and Garden Reach Sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Garden Reach Shipbuilders & Engineers
Garden Reach Shipbuilders & Engineers Ltd, abbreviated as GRSE, is one of India's leading defence shipyards, located in Kolkata. It builds and repairs commercial and naval vessels. GRSE also exports the ships that the company builds. Founded in 1884 as a small privately-owned company on the eastern bank of the Hooghly River, it was renamed as ''Garden Reach Workshop'' in 1916. GRSE was nationalised by the Government of India in 1960. The company was awarded the Miniratna public sector undertaking status, with accompanying financial and operational autonomy in September 2006. GRSE is the first Indian shipyard to build 100 warships. Facilities GRSE has ship building facilities in Kolkata and a diesel engine plant in Ranchi. It has a large computer-aided design (CAD) centre for ship modelling and design. There are four workshops for plate preparation and steel fabrication. GRSE has a dry dock for ships up to . It has a building berth and two slipways for hull construction. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
VL-SRSAM
The Vertical Launch – Short Range Surface to Air Missile, or VL-SRSAM is a quick reaction surface-to-air missile developed by the Indian Defence Research and Development Organisation (DRDO). During mid-course flight, the missile uses fibre-optic gyroscope based inertial guidance mechanism while in terminal phase uses active radar homing. With lock on before launch (LOBL) and lock on after launch (LOAL) capability, the missile receives mid-course update via datalink. VL-SRSAM intended to replace older Barak 1 surface to air missile system onboard Indian Navy warships. It will also be used as short range air defence system for Indian Air Force. Design VL-SRSAM is based on Astra Mark 1 air-to-air missile with four short-span long-chord cruciform wings that provide aerodynamic stability. It also includes additional jet vane driven thrust vector control to enable quick reaction time on vertical launch and smokeless exhaust. VL-SRSAM conceived for area and point-defence ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Infrared Signature
Infrared signature, as used by defense scientists and the military, is the appearance of objects to infrared sensors. An infrared signature depends on many factors, including the shape and size of the object, temperature, and emissivity, reflection of external sources ( earthshine, sunshine, skyshine) from the object's surface, the background against which it is viewed and the waveband of the detecting sensor. As such there is no all-encompassing definition of infrared signature nor any trivial means of measuring it. For example, the infrared signature of a truck viewed against a field will vary significantly with changing weather, time of day and engine loading. Two fairly successful examples of defining the infrared signature of an object are the apparent temperature difference at the sensor and the contrast radiant intensity (CRI) definitions. Apparent temperature difference The apparent temperature difference method of defining infrared signature gives the physical temperat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radar Cross Section
Radar cross-section (RCS), denoted σ, also called radar signature, is a measure of how detectable an object is by radar. A larger RCS indicates that an object is more easily detected. An object reflects a limited amount of radar energy back to the source. The factors that influence this include: *the material with which the target is made; *the size of the target relative to the wavelength of the illuminating radar signal; *the absolute size of the target; *the incident angle (angle at which the radar beam hits a particular portion of the target, which depends upon the shape of the target and its orientation to the radar source); *the reflected angle (angle at which the reflected beam leaves the part of the target hit; it depends upon incident angle); *the polarization of the radiation transmitted and received with respect to the orientation of the target. While important in detecting targets, strength of emitter and distance are not factors that affect the calculation o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Land-attack Missile
A land-attack missile (LAM) is a naval surface-to-surface missile that is capable of effectively attacking targets ashore, unlike specialized anti-ship missiles, which are optimized for striking other ships. Some dual-role missiles are suitable for both missions. Like long-range anti-ship missiles, land-attack missiles are usually turbojet or turbofan powered cruise missiles. To prevent early detection and counter-measures, they usually fly near the ground at very low altitude, employing terrain-following techniques, either with terrain-following radar or with precise navigation system, like GPS, combined with a stored map of obstacles and ground elevation data (TERCOM). Land-attack missiles are usually programmed before launch to follow a set of way-points up to the target. Terminal guidance can be done with active radar homing, passive radar or electronic warfare support measures, infrared homing Infrared homing is a Missile guidance#Passive homing, passive weapon g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anti-ship Missile
An anti-ship missile (AShM or ASM) is a guided missile that is designed for use against ships and large boats. Most anti-ship missiles are of the sea-skimming variety, and many use a combination of inertial guidance and active radar homing. A large number of other anti-ship missiles use infrared homing to follow the heat that is emitted by a ship; it is also possible for anti-ship missiles to be guided by radio command all the way. Many anti-ship missiles can be launched from a variety of weapons systems including surface warships (also referred to as ship-to-ship missiles), submarines, bombers, fighter planes, patrol planes, helicopters, shore batteries, land vehicles, and, conceivably, even infantrymen firing shoulder-launched missiles. The term surface-to-surface missile (SSM) is used when appropriate. The longer-range anti-ship missiles are often called anti-ship cruise missiles. Several countries are also developing anti-ship ballistic missiles. Etymology Both ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indian Navy
The Indian Navy (IN) (ISO 15919, ISO: ) is the Navy, maritime and Amphibious warfare, amphibious branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of the Naval Staff (India), Chief of Naval Staff, a four-star rank, four-star Admiral (India), admiral, commands the navy. As a blue-water navy, it operates significantly in the Persian Gulf, Persian Gulf Region, the Horn of Africa, the Strait of Malacca, and routinely conducts anti-piracy operations with other navies in the region. It also conducts routine two to three month-long deployments in the South China Sea, South and East China Sea, East China seas as well as in the western Mediterranean Sea, Mediterranean sea simultaneously. The primary objective of the navy is to safeguard the nation's maritime borders, and in conjunction with other Indian Armed Forces, Armed Forces of the union, act to deter or defeat any threats or aggression against the territory, people or m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corvette
A corvette is a small warship. It is traditionally the smallest class of vessel considered to be a proper (or " rated") warship. The warship class above the corvette is that of the frigate, while the class below was historically that of the sloop-of-war. The modern roles that a corvette fulfills include coastal patrol craft, missile boat and fast attack craft. These corvettes are typically between 500 and 2,000 tons. Recent designs of corvettes may approach 3,000 tons and include a hangar to accommodate a helicopter, having size and capabilities that overlap with smaller frigates. However unlike contemporary frigates, a modern corvette does not have sufficient endurance or seaworthiness for long voyages. The word "corvette" is first found in Middle French, a diminutive of the Dutch word ''corf'', meaning a "basket", from the Latin ''corbis''. The rank " corvette captain", equivalent in many navies to " lieutenant commander", derives from the name of this type of ship. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anti-surface Warfare
Anti-surface warfare (ASuW or ASUW) is the branch of naval warfare concerned with the suppression of surface combatants. More generally, it is any weapons, sensors, or operations intended to attack or limit the effectiveness of an adversary's surface ships. Before the adoption of the submarine and naval aviation, all naval warfare consisted of anti-surface warfare. The distinct concept of an anti-surface warfare capability emerged after World War II, and literature on the subject as a distinct discipline is inherently dominated by the dynamics of the Cold War. Categories of anti-surface warfare Anti-surface warfare can be divided into four categories based on the platform from which weapons are launched: * Air (or aviation): Anti-surface warfare conducted by aircraft. Historically, this was conducted primarily through level- or dive-bombing, strafing runs or air-launching torpedoes (and in some cases by suicide attacks). Today, air ASuW is generally conducted by stand-off ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ship Class
A ship class is a group of ships of a similar design. This is distinct from a ship type, which might reflect a similarity of tonnage or intended use. For example, is a nuclear aircraft carrier (ship type) of the (ship class). In the course of building a class of ships, design changes might be implemented. In such a case, the ships of different design might not be considered of the same class; each variation would either be its own class, or a subclass of the original class (see for an example). If ships are built of a class whose production had been discontinued, a similar distinction might be made. Ships in a class often have names linked by a common factor: e.g. s' names all begin with T (, , ); and s are named after American battles (, , , ). Ships of the same class may be referred to as sister ships. Naval ship class naming conventions Overview The name of a naval ship class is most commonly the name of the lead ship: the first ship commissioned or built of its design. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
VSHORAD (India)
The Very Short Range Air Defence System, or VSHORADS, is a latest man-portable air-defense system (MANPADS) developed by Research Centre Imarat (RCI), a research lab under Defence Research and Development Organisation (DRDO), located in Hyderabad. Multiple DRDO laboratories along with Indian industry partners are participating in the project. It is designed for anti-aircraft warfare and neutralising low altitude aerial threats at short ranges. History Igla-1M has been in use by the Indian Army since the 1980s. Presently, the system is ill-equipped to handle emerging contemporary threats. In 2010, the Ministry of Defence (MoD) released the request for proposal (RFP) for the VSHORAD program, which initiated the beginning of the selection process. When the VSHORAD order was first proposed in 2010, its estimated value was ₹27,000 crores. It was listed as one of the high priority procurement program by the Indian Armed Forces. Several variants, including ship-based pedesta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Varunastra (torpedo)
The Varunastra () is an Indian advanced autonomous heavyweight anti-submarine torpedo, developed by the Naval Science and Technological Laboratory (NSTL) of the Defence Research and Development Organisation (DRDO) for the Indian Navy. It is named after a legendary weapon created by the Hindu god of the oceans, '' Varuna''. Design This torpedo is powered by an electric propulsion system with multiple Silver Oxide-Zinc (AgOZn) batteries. It can achieve speeds in excess of , weighs around 1.5 tonnes and can carry of conventional warhead. This torpedo has more than 95 per cent indigenous content. Varunastra has conformal array transducer which enables it look at wider angles than most common torpedoes. It also has an advanced autonomous guidance algorithms with low drift navigational aids, insensitive warhead which can operate in various combat scenarios. It is the only torpedo in the world to have a GPS-based locating aid. The exercise variant of Varunastra has integrated ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
