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Mark 38 25 mm machine gun system

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can realistically sustain about 180 RPM while on HRFA. The weapon's muzzle velocity is 1,345 m/s (4,410 ft/s) for armor-piercing ammunition or 1,100 m/s (3,600 ft/s) for high-explosive ammunition. The M242's maximum firing range is 6,800 meters (7,400 yards), with an effective firing range of about 3,000 meters (3,300 yards). However, the Mk 38 has an estimated effective firing range of about 2,500 meters (2,700 yards).
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The primary component of the Mk 38 is the 25 mm M242 Bushmaster. It is an externally-powered, chain-driven gun. The Bushmaster uses an electric motor to drive the moving parts for ammunition feeding, loading, firing, extraction, and cartridge ejection. The mass of the M242 on the Mark 38 MGS is
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instead of the 25 mm M242 Bushmaster of previous variants. This is intended to improve accuracy, increase lethality, and increase effective range. In 2021, MSI-Defence begun delivery of its Seahawk DS30M A2 30 mm gun mount to the USN for testing and qualification for the Mod 4. The Mk 38
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It has a single-shot semi-automatic mode, for single shots; a burst mode, for a few shots at a time; a low-rate fully automatic (LRFA) mode, for a rate of fire (ROF) of about 100 rounds per minute (RPM); and a high-rate fully automatic (HRFA) mode, for a maximum ROF of about 200 RPM. The Mk 38 MGS
399:. Ships close to land can use the system against enemy personnel and lightly armored vehicles. It is a low-cost weapon that can operate in any weather condition, day or night. The Mk 38 MGS can be permanently or temporarily installed on warships for their deployment requirements. 582:, provide a 330-degree view, "even in extremely low light conditions". The surveillance system can move independently of the turret itself, intended to minimize attention drawn from targets. In addition to the 25 mm M242 Bushmaster, the Mod 3 can optionally mount a coaxial 1839: 774:
was responsible for designing and manufacturing the Mark 88 mounting. In 1986, the Mark 38 MGS Mod 0 was introduced. The Navy did not evaluate the weapon for operational use until the summer of 1987, and the Mark 38 Mod 1 went into service in 1988. With the imminent
813:. The incident led to the recognition of an upgraded Mk 38 MGS as a means to improve shipboard protection against the threat of small surface craft. In 2003, the CNO coordinated the development and procurement of the Mark 38 Mod 2. On June 8, 2004, 1831: 800:. The Mod 1s were frequently installed only for temporary durations aboard vessels, rotated among ships based on mission priorities. Between FY1986 and FY1992, the USN purchased 243 Mark 38 25 mm Machine Gun Systems. 839:
In July 2012, the Mark 38 MGS program was further expanded, resulting in the Mark 38 Mod 3, the latest variant of the system. The Mod 3 is currently being fielded by BAE under a separate program from the TLS program.
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Mark 38 Mods 0 and 1 use the Mark 88 machine gun mounting. It was manually trained—requiring a crewmember to physically operate—and lacked stabilization, both of which reduced targeting effectiveness.
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and remote control ability. All variants of the Mk 38 require two crewmembers for conducting maintenance (e.g., replacing the Bushmaster in the event it malfunctions, which takes five minutes).
2145: 537:. It also has stabilization—it automatically moves to compensate for pitch and roll of the ship. However, like on Mk 38 Mods 0 and 1, this mounting required someone to physically operate. 1420: 1983: 836:. The original demonstrator called for a 10 kW laser, but after the USN indicated interest in a more powerful weapon, by 2017 the proposed laser had been upscaled to 60 kW. 575:, improved man/machine interfaces, and auto-tracking capability. Tests demonstrated that the Mod 2 mounting has a three times greater probability of hit versus previous variants. 2266: 2236: 767:
had developed the new 25 mm M242 Bushmaster chain gun for the Army, which the Navy chose to adopt for their new weapon, the Mark 38 25 mm Machine Gun System.
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on the project. Boeing is supplying the laser components for the system. The Mk 38 Mod 2 TLS is intended to be able to hit both surface and air targets like
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The latest Mk 38 Mod 3 mounting has further upgraded interfaces and control consoles. The EO/IR sensor and laser rangefinder, integrated with the system's
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Mk 16 guns would need to be replaced. They had high maintenance demands and did not use standard NATO ammunition; they had become obsolete. In the 1970s,
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The initial variants of the Mark 38, Mods 0 and 1, were unstabilized and required one crewmember to manually operate. The latest Mods 2 and 3 feature
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In FY2019, a Maritime Accelerated Acquisition program was started to procure the Mod 4 variant of the Mark 38. The program was created to address "
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As a result, the Navy developed an improved version MGM for use on the next variant of the Mk 38 MGS. The Mk 38 Mod 2 mounting, also known as the
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A few Mark 38 machine gun systems use the Mark 96 Mod 0 machine gun mounting. This MGM features both an M242 Bushmaster and a
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is a shipboard weapon system designed to protect warships primarily from a variety of surface threats, especially small,
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mm MGS provides ships with short-range capability against high-speed maneuvering surface targets (HSMSTs), floating
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of +/−15 to +/−165 degrees and enable the M242 Bushmaster to elevate from −15 to +55 degrees. The inability to
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Different machine gun mountings are used, depending on the variant of the Mark 38. All MGMs share the same
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In March 2011, the U.S. Navy awarded a contract to BAE Systems to develop a variant of the Mod 2 with a
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The Mk 38 saw its first use aboard warships and auxiliaries deployed to the Middle East in support of
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The Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft, and Systems
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The Mk 38's Bushmaster can fire all U.S. Navy-approved 25 mm ammunition, including:
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Please help update this article to reflect recent events or newly available information.
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also intends to acquire the Mk 38 Mod 4 for installation on its future
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Bushmaster Mark 52 chain gun, which has a ROF of 500–600 RPM.
1976:"MSI-Defence begins deliveries for MK 38 Mod 4 GWS programme" 1945:"USGC's Polar Security Cutters to Receive Mark 38 Mod 4 Guns" 1710:"Typhoon Naval Stabilized & Remotely Operated Gun System" 1125: 478:– semi-armor-piercing high-explosive incendiary with tracer 376: 463:– high-explosive incendiary with tracer and self-destruct 2083:"U.S. Donates Two Patrol Boats to Georgian Coast Guard" 286:
APDS, APDS-T: 1,345 metres per second (4,410 ft/s)
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higher than 55 degrees limits the Mark 38 MGS in the
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HEI, HEI-T: 1,100 metres per second (3,600 ft/s)
343:, and auto-tracking; can also be manually controlled 1802:"BAE Systems MK 38 MOD 3 Machine Gun System (MGS)" 772:Crane Division of the Naval Surface Warfare Center 500:Maintenance is performed on a Mk 38 Mod 2 aboard 2305: 658:Stabilization: compensates for ship's pitch/roll 2004: 1867:"Rapid Prototyping, Experimentation & Dem" 196:Turret: 1,042 kg (2,297 lb) unloaded 1384:30mm DS30M Mark 2 Automated Small Calibre Gun 510: 471:semi-armor-piercing high-explosive incendiary 273:Semi, burst, or auto (up to 180 rpm (3 rps)) 158:Crane Division, Naval Surface Warfare Center 2105: 851:(USV) threats." Mod 4 will incorporate the 354:Mark 38 25 mm machine gun system (MGS) 2324:Military equipment introduced in the 1980s 779:, production of the Mod 1 was accelerated. 210:1 for operation (manual or remote control) 78: 2196: 798:Operations Desert Shield and Desert Storm 544:Remote operation of a Mk 38 Mod 2 aboard 486:frangible armor-piercing discarding sabot 2111: 781: 723:Independently-moving surveillance system 539: 495: 2199:"Singapore's Formidable-class Frigates" 811:was bombed in an attack by a small boat 445:– armor-piercing discarding sabot with 14: 2306: 2239:from the original on December 10, 2022 2148:from the original on December 10, 2022 2093:from the original on December 12, 2017 1921:from the original on November 14, 2022 1881:from the original on December 10, 2022 1782:from the original on September 5, 2016 1772:"7.62 mm Bushmaster Chain Gun Mark 52" 1544:"Mk 38 Mod 3 Machine Gun System (MGS)" 1460:from the original on November 27, 2021 1423:from the original on December 18, 2020 2319:Cold War weapons of the United States 2209:from the original on January 20, 2022 1986:from the original on November 7, 2021 1973: 1938: 1936: 1861: 1859: 1857: 1690:from the original on January 25, 2021 1554:from the original on January 21, 2022 1517:from the original on January 21, 2022 1507:"25 mm/87 Mark 38 Machine Gun System" 1501: 1499: 1497: 1495: 1444: 1442: 1440: 1438: 622:Requires a user to physically operate 90:fires her starboard-side Mk 38 Mod 2. 1752:from the original on October 4, 2021 1674: 1672: 1641: 1639: 1637: 1622:from the original on October 5, 2022 1606: 1604: 1602: 1571: 1569: 1538: 1536: 1534: 1532: 1493: 1491: 1489: 1487: 1485: 1483: 1481: 1479: 1477: 1475: 1407: 1405: 1403: 1401: 1399: 786:A Mk 38 Mod 1 being operated aboard 31: 2344:Equipment of the United States Navy 2197:Lundquist, Edward (July 13, 2013). 2160: 2114:IHS Jane's Fighting Ships 2013–2014 2075: 1974:Scott, Richard (November 4, 2021). 1942: 535:40 mm Mark 19 grenade launcher 27:Short-range shipboard weapon system 24: 2269:from the original on June 14, 2018 2063:from the original on July 25, 2022 1933: 1854: 1842:from the original on April 6, 2017 1794: 1657:from the original on June 21, 2021 1577:"MK 38 – 25 MM MACHINE GUN SYSTEM" 1435: 1413:"MK 38 – 25 mm Machine Gun System" 847:(UAS) and high speed maneuverable 616:Initial variant, not mass-produced 414: 25: 2355: 2334:Machine guns of the United States 2285: 2033:from the original on July 6, 2014 1955:from the original on May 22, 2022 1812:from the original on July 6, 2022 1669: 1634: 1599: 1566: 1529: 1472: 1396: 331:Mods 2–3: Remotely operated with 72:Mark 38 25 mm machine gun system 2291: 1647:"Mk-38 Machine Gun System (MGS)" 1345: 1332: 1304: 1207: 1194: 1167: 1154: 1131: 1118: 1088: 1075: 1034: 1021: 1001: 988: 965: 952: 915: 902: 438:armour-piercing discarding sabot 297:Effective firing range 36: 18:Mark 38 25 mm Machine Gun System 2251: 2221: 2190: 2172:Ministry of Defence (Singapore) 2130: 2045: 1998: 1967: 1893: 1824: 1764: 1734: 757:Chief of Naval Operations (CNO) 371:that can be either manually or 1748:. U.S. Department of Defense. 1702: 1365:The Mk 38 MGS is also used on 1290:-class amphibious assault ship 1223:-class amphibious assault ship 938:-class landing helicopter dock 382: 305:Maximum firing range 193:Gun: 109 kg (240 lb) 137: 13: 1: 1943:Ong, Peter (April 21, 2022). 1742:"Contracts for June 29, 2018" 1389: 1147:-class offshore patrol vessel 1050:-class offshore patrol vessel 981:-class offshore patrol vessel 853:30 mm Mk44 Bushmaster II 409: 328:Mods 0–1: Manually controlled 2005:Wertheim, Eric, ed. (2007). 1104:-class landing platform dock 1061:-class coastal patrol vessel 882: 858:initial operating capability 7: 1548:BAE Systems | United States 1372: 1054:Jacinto-class patrol vessel 705:Improved ammunition loading 637:First mass-produced variant 589: 426:109 kg (240 lb). 10: 2360: 2142:www.surflant.usff.navy.mil 2112:Saunders, Stephen (2013). 1096:Republic of Singapore Navy 871:Baseline 9 in FY2022. The 750: 652:Only variant to feature a 511:Machine gun mounting (MGM) 418: 308:6,800 meters (22,300 feet) 1680:"MK-38 25-mm Machine Gun" 1450:"MK 38 25-mm machine gun" 1312:United States Coast Guard 1192: 680:Remote control capability 561:Combat information center 456:high-explosive incendiary 317: 312: 304: 300:2,500 meters (8,200 feet) 296: 277: 267: 257: 247: 237: 225: 220: 203: 186: 181: 173: 150: 145: 132: 124: 119: 112:Place of origin 111: 95: 77: 70: 45:This article needs to be 1367:offshore support vessels 1358:Island-class patrol boat 1297:-class dock landing ship 1258:-class dock landing ship 1014:Island-class patrol boat 849:unmanned surface vehicle 738:Option to mount coaxial 1276:-class aircraft carrier 1265:-class aircraft carrier 1251:-class submarine tender 845:unmanned aerial systems 2339:Remote weapon stations 2233:www.buquesdeguerra.com 2229:"MGS MGS MK-38 MOD. 2" 1379:Typhoon Weapon Station 1009:Coast Guard of Georgia 877:Polar Security Cutters 826:directed energy system 793: 731:multi-function display 654:Mk 19 grenade launcher 552: 507: 269:Rate of fire 2235:. December 27, 2016. 2203:Defense Media Network 1912:Department of Defense 1875:Department of Defense 1325:Sentinel-class cutter 1321:Reliance-class cutter 1317:Heritage-class cutter 1187:Reliance-class cutter 923:Royal Australian Navy 785: 726:Improved fire-control 675:Typhoon Weapon System 557:Typhoon Weapon System 543: 499: 107:and/or manual control 2300:at Wikimedia Commons 2298:Mk 38 25mm chain gun 2116:. IHS. p. 614. 2053:"Harry DeWolf class" 360:. It consists of an 279:Muzzle velocity 2089:. October 1, 2016. 1908:www.secnav.navy.mil 1871:www.stratvocate.com 1836:navyrecognition.com 1722:on December 2, 2012 1587:on November 3, 2018 1269:Mark VI patrol boat 1237:-class command ship 1068:-class patrol craft 973:Royal Canadian Navy 856:Mod 4 will achieve 761:Oerlikon 20 mm 735:New control console 708:Improved interfaces 580:fire-control system 2059:. April 19, 2013. 1244:-class patrol ship 1215:United States Navy 931:-class patrol boat 794: 765:Hughes Helicopters 755:In 1977, the U.S. 715:Mark 38 MGS Mod 3 673:Also known as the 665:Mark 38 MGS Mod 2 629:Mark 38 MGS Mod 1 608:Mark 38 MGS Mod 0 553: 508: 358:fast surface craft 146:Production history 2296:Media related to 2265:. April 3, 2018. 2178:on March 27, 2016 2123:978-0-7106-3048-3 2018:978-1-59114-955-2 1838:. April 4, 2017. 1651:www.seaforces.org 1363: 1362: 865:-class destroyers 803:In October 2000, 759:decided that the 748: 747: 695:Laser rangefinder 573:laser rangefinder 373:remote controlled 350: 349: 341:laser rangefinder 263:+/-15° to +/-165° 213:2 for maintenance 66: 65: 16:(Redirected from 2351: 2295: 2279: 2278: 2276: 2274: 2255: 2249: 2248: 2246: 2244: 2225: 2219: 2218: 2216: 2214: 2194: 2188: 2187: 2185: 2183: 2174:. 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Index

Mark 38 25 mm Machine Gun System

USS Gonzalez
gun turret
remote
operators
Crane Division, Naval Surface Warfare Center
BAE Systems
Shell
25 × 137 mm
Caliber
Elevation
Traverse
Rate of fire
Muzzle velocity
EO
IR
laser rangefinder
fast surface craft
M242 Bushmaster
chain gun
turret
remote controlled
NATO
mines
swimmers
stabilization
M242 Bushmaster
armour-piercing discarding sabot
tracer

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