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10 September 2021

MLRS (Multiple Launch Rocket System)

The combat-proven multiple launch rocket system (MLRS) M270 is a highly mobile rocket artillery system manufactured by Lockheed Martin Missiles and Fire Control.
The MLRS M270 is manufactured by Lockheed Martin’s Missiles and Fire Control business segment.
The M270 launcher can be equipped with 12 rockets, packaged in two six-rocket pods.
The existing MLRS M270A1 launcher systems of the US Army will be upgraded to the latest configuration.

The combat-proven multiple launch rocket system (MLRS) M270 is a highly mobile rocket artillery system manufactured by Lockheed Martin Missiles and Fire Control. The MLRS system is operational with the armed forces of Bahrain, Finland, Egypt, France, Germany, Greece, Israel, Italy, Saudi Arabia, Japan, South Korea, Turkey, the US and the UK. The system is also built in Europe by an international consortium of companies from France, Germany, Italy, and the UK.

M270 MLRS orders and deliveries

In January 2006, it was agreed that two batteries of MLRS (nine launchers a battery) were to be transferred from the Netherlands to Finland. The systems were delivered in February 2007.

MLRS was deployed in support of Operation Iraqi Freedom in 2003. The US Army fielded the upgraded M270A1 launchers and the new ATACMS quick reaction unitary missile in February 2011, placing a $22.1m order for M270 launcher upgrade kits.

The Finnish Army placed a $45.3m order to upgrade its 22 M270 MLRS launchers in May 2011. The upgrade incorporated the universal fire control system in the MLRS, allowing the launchers to fire precision GPS-guided munitions.

Lockheed Martin received a $362m contract from the US Army to recapitalise 50 MLRS launcher systems to the latest configuration in April 2019. The US Army has plans to upgrade 225 M270A1 launchers and 160 decommissioned M270A0s to the M270A2 standard.

The company secured another contract worth $226m to refurbish 44 additional M270s in June 2020. The US Department of Defense (DoD) awarded a contract modification worth $214.7m to Lockheed Martin Missiles and Fire Control to continue the modernisation of the M270 MLRS to M270A2, in April 2021.

The British Army announced a five-year programme to upgrade its existing fleet of 44 M270 MLRS launchers in April 2021. The upgrade will add an armoured cab and modernised automotive and launcher components.

Furthermore, the UK will develop country-specific components for the new launchers, including composite rubber tracks, and a vehicle camera and radar system. It will also work on the development of the new fire control system in partnership with the US, Finland, and Italy.

M270 MLRS design and features

The multiple launch rocket system is a high-mobility automatic system based on an M270 weapons platform. MLRS fires surface-to-surface rockets and the army tactical missile system (ATACMS). Without leaving the cab, the crew of three (driver, gunner, and section chief) can fire up to 12 MLRS rockets in fewer than 60 seconds.

The MLRS launcher unit comprises an M270 launcher loaded with 12 rockets, packaged in two six-rocket pods. The launcher, which is mounted on a stretched Bradley chassis, is a highly automated self-loading and self-aiming system. It contains a fire control computer that integrates the vehicle and rocket-launching operations.

The rockets can be fired individually or in ripples of two to 12. Accuracy is maintained in all firing modes because the computer re-aims the launcher between rounds.

The M270 MLRS can be readily transported to the area of operations, for example, by the C-5 transporter aircraft or by train. MLRS offers optimal cross-country mobility and a road speed of 64km/h.

Multiple launch rocket system tactical rocket warhead and munitions

The basic MLRS tactical rocket warhead contains 644 M77 munitions, which are dispensed above the target in mid-air. The dual-purpose bomblets are armed during freefall and a simple drag ribbon orients the bomblets for impact. Each MLRS launcher can deliver almost 8,000 munitions in fewer than 60 seconds at ranges exceeding 32km.

Other mission-oriented rockets include the extended-range (ER) rocket, the reduced-range practice rocket (RRPR) with a range of 8km to 15km, and the AT2, which dispenses 28 antitank mines a round. The extended-range rocket was first fielded in 1998 and carries 518 improved munitions in excess of 45km.

M270 MLRS fire control

The MLRS computerised fire control system enables a reduced crew, or even a single soldier, to load and unload the launcher. A portable boom control device and cable hook assembly is used for loading and unloading. The fire control computer allows firing missions to be carried out either manually or automatically.

In a typical fire mission, a command post transmits the selected target data directly to the MLRS computer.

The computer aims the launcher and prompts the crew to arm and fire a pre-selected number of rounds. Multiple mission sequences can be pre-programmed and stored in the computer.

ATACMS (army tactical missile system)

MLRS also fires the long-range Lockheed Martin Army Tactical Missile System (ATACMS) guided missiles. The ATACMS family includes the block 1, block 1A and block 1A unitary missiles. Block 1, which was used during Operation Desert Storm, carries 950 baseball-sized M74 submunitions to ranges exceeding 165km.

The block IA missile extends the range to more than 300km by reducing the submunition payload and adding GPS guidance. The block 1A unitary missile, with a single-burst warhead, was first deployed in support of Operation Iraqi Freedom in March / April 2003.

Lockheed Martin was awarded a first US Army contract for the production of the unitary missile in February 2004 and a second, for 50 missiles, in January 2005.

The programme to develop the block II missile, with GPS and 13 BAT (brilliant anti-tank) submissiles, and Block IIA missile, with six improved BAT submissiles, was cancelled in February 2003. The BAT submunition, manufactured by Northrop Grumman, is an unpowered glider, which has acoustic sensors for target detection and infrared sensors for terminal guidance. Its maximum range is 140km.

Guided multiple launch rocket system (GMLRS)

Lockheed Martin developed a new extended-range guided MLRS (GMLRS), which has a range of more than 70km. The GMLRS XM30 rocket has a GPS (global positioning system) and inertial guidance package and small canards on the rocket nose to enhance accuracy.

GMLRS completed system development and demonstration (SDD) tests in December 2002 and entered low-rate initial production in April 2003. A total of 156 GMLRS rockets were produced under the LRIP I contract (deliveries completed May 2005), 840 under the LRIP II (awarded in March 2004), and 1,014 under LRIP III (awarded February 2005).

Initial operational capability (IOC) was achieved in 2006, but the system has been operationally deployed since September 2005 in Iraq. The GMLRS is an international programme involving the UK, Italy, France and Germany, as well as the US. The industrial team includes Diehl, MBDA and FiatAvio.

The production milestone of the 50,000th GMLRS rocket was achieved in January 2021.

The next-generation extended-range guided multiple launch rocket system (ER GMLRS) munition was successfully flight-tested from the US Army’s HIMARS launcher at White Sands Missile Range, New Mexico, in March 2021. Deployable by HIMARS and the MLRS M270 family of launchers, the ER GMLRS provides an increased range of up to 150km.

GMLRS orders and deliveries

In August 2005, the UK placed a contract for GMLRS, becoming the first international customer. GMLRS entered service with the UK Army Royal Artillery in April 2007 and began deployment to Afghanistan in June 2007.

First deliveries of a unitary variant of GMLRS, with a single 81.6kg (180lb) warhead and a range of up to 70km, were made in May 2005. In October 2003, Lockheed Martin was awarded an SDD contract for 86 unitary variant rockets, delivered in June 2005.

The programme was accelerated following a US Army ‘urgent need’ statement in January 2005, and the first 72 GMLRS unitary rockets were delivered in June of that year. Lockheed Martin conducted 17 tests on the unitary variant in 2006. In June 2007, GMLRS Unitary entered low-rate initial production (LRIP). Operational testing was completed in April 2008. A follow-on contract was awarded in August 2008. Lockheed Martin was awarded a $512m contract to supply GMLRS and HIMARS launchers to the US Army and US Marine Corps, in January 2008.

The US Army placed a $603m order for GMLRS and HIMARS launchers in February 2009. Lockheed Martin delivered the 10,000th GMLRS to the US Army in April 2010.

Lockheed Martin was awarded a $445m follow-on contract by the US Army for 735 GMLRS unitary rocket pods and 508 RRPR pods in June 2011. The US Department of Defence placed a $79.4m order for the development of a new GMLRS variant with a new warhead in April 2012.

In July 2012, the US Army placed a $353.2m order for the seventh production lot of GMLRS unitary rockets. The 20,000th GMLRS unitary rocket was delivered to the US Army in August 2012.

Lockheed Martin was awarded a $197m contract option by the US Army in January 2013, bringing the GMLRS production lot 7 contract value to $550.8m.

The company received a $331m contract from the US Army for the 11th production lot of GMLRS rockets in June 2016.

Lockheed Martin secured a $471m contract from the US Army for the 12th production lot of GMLRS rockets in July 2017, followed by a contract worth $828m from the US Army for the 13th production lot in May 2018.

Lockheed Martin was awarded a $1.13bn contract by the US Army for the 14th production lot of GMLRS rockets and associated equipment in March 2019. A contract worth $1.12bn for the 16th production lot covering the production of more than 9,000 GMLRS unitary and alternative-warhead rockets and over 2,000 low-cost RRPRs was awarded to the company in March 2021.

M270A1 upgrade

In December 2000, a low-rate initial production contract was placed with Lockheed Martin for 66 upgraded M270A1 launchers for delivery by 2004. MLRS launchers upgraded to M270AI

status have improved fire control systems (IFCS) and improved launcher mechanical systems (ILMS).

The M270A1 launcher completed operational testing in October 2001 and was first fielded in May 2002. Lockheed Martin also received a foreign military sales (FMS) contract for the new launchers from the Republic of Korea.

The IFCS provides additional capacity to accommodate complex munitions and modern computer electronics, including video display, onboard navigation with global positioning system, architecture for ultrafast signal processing and advanced mission software. ILMS reduces the time to aim the launcher to 16 seconds (compared to 93 seconds). The reloading time is cut from four to three minutes.

UK systems also received the IFCS. The first 15 systems for the UK were ordered in March 2005 for delivery by the end of 2006. Italian, German, and French MLRS systems feature the European fire control systems (EFCS) developed by EADS / Dornier.

The M20A2 upgrade

The M20A2 configuration will have a zero-time launcher, a new engine, and an improved armoured cab. The new common fire control system (CFCS) to be integrated into the M20A2 will provide commonality with the HIMARS and combability with the future MLRS family of munitions (MFOM).

The improved cabs will increase the interior volume significantly, while the seats will be designed with energy-absorbing capability and will protect the occupants from mine blasts and improvised explosive devices (IEDs). The fire control panel of the MLRS will also be upgraded.

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