There are 10 images added between 29 November 2006 and 28 January 2019
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Initial Operational Capability (IOC): 2005
Total Production: 1,258
Unitary Cost: USD$4.6 million
Also Known As: M777, M777A1, M777E1 and XM777
Origin: United States of America
Corporations: BAE Systems
Parent System: M777
Initial Operational Capability (IOC): 2005
Total Production: 1,258
Total Cost: USD$910 million
Family Members: M777 58-caliber
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Description: The XM777 Joint Lightweight 155mm 39 calibers (LW155) howitzer has been designed to replace current M198 towed howitzers. The US Army will use the XM777 for general support purposes within light forces, while the USMC will use this weapon for direct support replacing all existing cannon types within the Corps. The XM777 incorporates innovate designs to achieve the lightweight goal, without sacrificing the range, stability, accuracy or durability of the planned system. It will provide excellent tactical mobility, deployment capability and survivability. Excalibur 155mm artillery projectiles will provide extended range and improved accuracy.

Once fielded, the XM777 was designated the M777A1. The M777A2, the following upgrade, features further software enhancements. BAe Systems is already working in a self-propelled howitzer based on the proven XM777. The US Army and the USMC needed approximately 650 XM777s, 273 and 377 respectively. The first USMC XM777-equipped unit will achieve initial operational capability in 2004. Italy and the United Kingdom might become the first foreign customers of the XM777 towed howitzer, according to some reports. The M777A2 is an improved version incorporating a software update that enables the howitzer to program and fire the M982 Excalibur Guided Projectile at ranges of 40 km with a Circular Error Probable of 10 meters. The M777A2 howitzer was cleared for service in July 2007.

BAE Systems was awarded a $834 million contract for the full rate production of the M777A1 howitzer on March 24, 2005. Under this contract BAE will manufacture 495 howitzers to be delivered to the US Army Stryker Interim Brigades and the US Marine Corps Air Ground Task Forces from 2005 until 2009. In December 2005 the Canadian Department of National Defence (DND) took delivery of four of six M777 howitzers bought to the United States Marine Corps through the Foreign Military Sales (FMS) program. Canadian Army's 1st Regiment Royal Canadian Horse Artillery was expected to deploy its newest M777 to Afghanistan in support of operation Archer shortly. The M777 howitzer entered service in early 2006 in Afghanistan with the Canadian Forces.

On April 6, 2006 the United States Marine Corps awarded Lockheed Martin a contract to manufacture Lightweight Prime Mover (LWPM) trucks to tow the M777 155mm howitzer. The contract was valued at $2.1 million for four vehicles. Under this Low Rate Initial Production (LRIP) contract the USMC has the option to award a full production contract (FRP) for 120 LM4x4 vehicles valued at $30 million. LM4x4 is a 9,000-pound truck that can be transported by C-130 airplanes, CH-47 or CH-53 helicopters or the V-22 tilt-rotor aircraft.

M777A2 Applications

Artillery Systems LIMAWS(G)

M777A2 Specifications

Caliber Multiple: 39
Main Gun Caliber: 155 millimeter
Main Gun Max Range: 30,000 meter (18.6 mile)
Max Rate of Fire: 5 roundperminute
Sustained Rate of Fire: 2 roundperminute
SetUp Time: 3 minute (0.05 hour)
Max Weight: 4,082 kilogram
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

M777A2 News

There are 45 news between
30 Jul 2003 and 3 Mar 2020
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Tuesday, March 3, 2020US Army Orders Additional BONUS Mk II Munitions for its M109 and M777 Howitzers
Monday, December 30, 2019India's ATAGS 155mm 52-Caliber Towed Howitzer Achieves Five Rounds per Minute Mark
Sunday, October 20, 2019Indian Army Deploys Precision-Guided Excalibur Artillery Shells
Saturday, August 17, 2019US Army Developing Long-Range AI-Guided 155mm Projectile
Friday, November 9, 2018Indian Army Takes Delivery of its First M777A2 Ultra Lightweight Howitzers
Tuesday, October 9, 2018Excalibur Shaped Trajectory Artillery Projectile Completes Development
US Army Orders BONUS 155mm Precision-Guided Artillery Projectiles
Monday, October 8, 2018US Army Orders 18 Additional M777 Howitzers
Wednesday, March 21, 2018Australian Defence Force Orders Assegai 155mm Artillery Ammunition from Rheinmetall
Tuesday, March 20, 2018US Army Developing Hypersonic Artillery Systems

Operators & Related Equipment

201235155 mm M777A2 howitzer
Howitzers (145) ordered under a $660 million deal in May 2012
Nov 20181
United States of America1,019
Apr 2009500
Apr 2008300M777A2

Grand Total 1,2584
Defensive Weapons
Assegai V-LAP
Excalibur EST
Excalibur S
M982 Excalibur
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