Tomahawk’s Chops: xGM-109 Block IV Cruise Missiles
Apr 21, 2013 13:36 UTC by Defense Industry Daily staff
April 17/13: UK. The US DSCA announces [PDF] Britain’s request to import follow-on support and keep their UGM-109 Tomahawk Weapon Systems (TWS) ready for use. Work can include missile modifications, maintenance, spare and repair parts, system and test equipment, engineering support, communications equipment, technical assistance, personnel training/equipment, and other related elements of logistics support.
The estimated cost is up to $170 million, but actual costs will be negotiated in a series of contracts. The principal contractors will be Raytheon Missile Systems Company in Tucson, AZ; Lockheed Martin in Manassas, VA, Valley Forge, PA, and Marlton, NJ; Boeing in St. Louis, MO; BAE North America in San Diego, CA; COMGLOBAL in San Jose, CA; and SAIC in Springfield, VA and Patuxent River, MD. Implementation of this proposed sale will require the assignment of 1 U.S. Government and 2 contractor representatives to the United Kingdom for the duration of this case.
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Block IV Tomahawk is the current generation of the Tomahawk family of cruise missiles. The BGM-109 Tomahawk family began life in the 1980s as sub-sonic, low-flying nuclear strike weapons, before being developed into long-range RGM/UGM-109 conventional attack missiles. They’re most frequently launched from submarines and surface ships, and have been the US Navy’s preferred option for initial air strikes in Iraq, Libya, et. al. Britain has also bought Tomahawk missiles, and launches them exclusively from submarines.
Block IV is the latest variant. It adds innovative technologies that improve combat flexibility, while dramatically reducing the costs to buy, operate, and support these missiles. That’s why the Block IV program, under US Navy PMA-280, has been one of the USA’s defense acquisition success stories over the last decade.
xGM-109: Missile & Launcher Types
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There are 4 fielded variants: Block II with a nuclear warhead is not deployed. Block III missiles will serve in the US Navy until FY 2020, and can be fitted with either a unitary conventional warhead, or a conventional submunitions warhead with hundreds of smaller bomblets. The Tomahawk Block III has a 750 nautical mile range.
Tomahawk Block IV reportedly increases missile range to 900 nautical miles, and uses a conventional unitary warhead. A 2-way datalink allows the missile to be redirected in flight.
Submarine-launched UGM-109 missiles are more expensive than their ship launched RGM-109 VLS counterparts, because the submarines’ launch mechanism is more involved and more strenuous. UGM-109 “all-up-round” storage and interface canisters come in 2 types: CLS and TTL. CLS canisters launch UGM-109s from vertical launch tubes installed on many of America’s Los Angeles Class (SSN 719 on), all Virginia Class, and all SSGN Ohio Class submarines. TTL canisters are used to launch Tomahawk missiles from a submarine’s torpedo tubes, which is Britain’s preferred method.
In both cases, a Tomahawk launches “wet”, unlike most anti-ship missiles. The canister remains in the vertical-launch or torpedo tube, while the missile is ejected. Once the UGM-109 has reached a safe distance from the submarine, its rocket booster ignites underwater to power it airborne. That booster falls away just before the missile ignites its jet engine. If the submarine needs to “clear the tube” for torpedoes, anti-ships missiles, mines, UUVs, etc., TTL canisters can be ejected into the sea after launch, as a separate evolution. CLS vertical-launch canisters are only removed portside, when the submarine comes into base for servicing and reloading.
Contracts & Key Events
Unless stated otherwise, US Naval Air Systems Command in Patuxent River, MD manages the contracts to Raytheon in Tucson, AZ. In general, these contracts aren’t competitively procured, pursuant to the “only 1 responsible supplier” exemption in 10 U.S.C. 2304(c)(1).
Key subcontractors include Lockheed Martin in Valley Forge, PA (Weapon Control System element), QinetiQ North America in San Jose, CA (Command and Control element), and Boeing Inc. in St. Louis, MO (Command and Control element).
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April 17/13: UK. The US DSCA announces [PDF] Britain’s request to import follow-on support and keep their UGM-109 Tomahawk Weapon Systems (TWS) ready for use. Work can include missile modifications, maintenance, spare and repair parts, system and test equipment, engineering support, communications equipment, technical assistance, personnel training/equipment, and other related elements of logistics support.
The estimated cost is up to $170 million, but actual costs will be negotiated in a series of contracts. The principal contractors will be Raytheon Missile Systems Company in Tucson, AZ; Lockheed Martin in Manassas, VA, Valley Forge, PA, and Marlton, NJ; Boeing in St. Louis, MO; BAE North America in San Diego, CA; COMGLOBAL in San Jose, CA; and SAIC in Springfield, VA and Patuxent River, MD. Implementation of this proposed sale will require the assignment of 1 U.S. Government and 2 contractor representatives to the United Kingdom for the duration of this case.
DSCA: UK support request
March 11/13: UK. A $6.6 million firm-fixed-price contract modification for 4 torpedo tube launched (TTL) Tomahawk Block IV all-up-round missiles for the government of the United Kingdom under the Foreign Military Sales Program. All funds are committed immediately.
Work will be performed in Tucson, AZ (32.6%); Camden, AR (13%); Ogden, UT (10.5%); Dallas, TX (3.5%); Minneapolis, Minn. (3.3%); Glenrothes, Scotland (3.3%); Spanish Fork, UT (3.1%); El Segundo, CA (3%); Walled Lake, MI (2.6%); Anniston, AL (2.5%); Ft. Wayne, IN (2.3%); Ontario, Canada (2.2%); Vergennes, VT (2.1%); Berryville, AR (1.8%); Westminster, CO (1.6%); Largo, FL (1.5%); Middletown, CT (1.3%); Huntsville, AL (1.2%); Clearwater, FL (0.8%); Moorpark, CA (0.8%); El Monte, CA (0.6%); Salt Lake City, UT (0.6%); Farmington, NM (0.2%); and various continental U.S. (CONUS) and outside CONUS locations (5.6%); and is expected to be completed in February 2015 (N00019-12-C-2000).
4 for Britain
March 7/13: Support. A $12.8 million firm-fixed-price, indefinite-delivery/ indefinite-quantity contract for services in support of Tomahawk missile depot maintenance, including direct fleet support for resolving technical issues with forward deployed, in-theater weapons and inventory management for the US Navy and the United Kingdom.
Work will be performed in Tucson, AZ (70%); Camden, AR (24%); Commerce Township, MI (4%); Indianapolis, IN (1%); and various other continental U.S. (CONUS) and outside CONUS locations (1%) until February 2014. $2.4 million is committed immediately, of which $2.3 million will expire at the end of the current fiscal year, on Sept 30/12 (N00019-13-D-0002).
Jan 17/13: DOT&E testing. The Pentagon releases the FY 2012 Annual Report from its Office of the Director, Operational Test & Evaluation (DOT&E). The Tomahawk gets high marks. It continues to meet its standards, and remains operationally effective and suitable (maintainable).
The one thing Pentagon OT&E would like to see is restored flight testing of the Block III model, until it goes out of service in FY 2020.
Dec 18/12: CCLS. A $45 million firm-fixed-price contract modification from the USN for 120 Tomahawk Block IV Composite Capsule Launching Systems (CCLS), which are used to launch UGM-109s from vertical submarine tubes. All contract funds are committed immediately.
Work will be performed in Tucson, AZ (24.61%); Lincoln, NB (23.17%); Camden, AR (12.48%); Rocket Center, WVA (10.3%); Carpentersville, IL (8.74%); Joplin, MO (6.63%); Hopkinton, MA (4.76%); Huntsville, AR (4.37%); Alamitos, CA (2.05%); Torrance, CA (1.47%); Downers Grove, IL (0.75%); and Brooksville, FL (0.67%), and is expected to be complete in July 2015 (N00019-12-C-2000).
Dec 17/12: 252 missiles. A $254.6 million firm-fixed-price contract modification, exercising a US Navy option for 252 Tomahawk Block IV All-Up-Round (AUR) missiles: 132 RGM-109s designed to launch from strike-length Mk.41 cells on surface ships, and 120 UGM-109 CLS missiles that are fired from different vertical launch tubes installed on American submarines.
Work will be performed in Tucson, AZ (32%); Camden, AR (11%); Ogden, UT (8%); Anniston, AL (4%); Minneapolis, MN (4%); Ft. Wayne, IN (4%); Glenrothes, Scotland (4%); Dallas, TX (4%); Spanish Fork, UT (3%); Vergennes, VT (3%); Walled Lake, MI (2%); Berryville, AR (2%); El Segundo, CA (2%); Westminster, CO (2%); Middletown, CT (2%); Huntsville, AL (1%); Farmington, NM (0.2%); and various locations in the continental United States and outside the continental United States (11.8%); and is expected to be completed in August 2015. See also Raytheon.
FY 2013: 252
Sept 3/12: OASuW. Aviation Week offers a look into the Tomahawk’s potential future. In June 2012, the US Navy announced a sole-source contract to Raytheon to develop the interim Offensive Anti-Surface Weapon (OASuW) by modifying a Tomahawk Block IV missiles with new sensors and data links. The missile is expected to enter service by 2015… but it’s likely to face competition from Lockheed Martin’s LRASM-A, among others.
Full OASuW Technology Development awards are expected to begin in FY 2013, after a Q2 Milestone A decision. The technical Development phase runs from FY 2013 – FY 2017, to an expected total of $557.2 million. Initial Operational Capability is currently set for 2024.
July 12/12: CCLS. A $45.9 million firm-fixed-price contract modification, buying 123 Tomahawk Block IV Composite Capsule Launching Systems (CCLS) for the US Navy.
Work will be performed in Tucson, AZ (24.61%); Lincoln, NB (23.17%); Camden, AR (12.48%); Rocket Center, WVA (10.3%); Carpentersville, IL (8.74%); Joplin, MO (6.63%); Hopkinton, MA (4.76%); Huntsville, AR (4.37%); Alamitos, CA (2.05%); Torrance, CA (1.47%); Downers Grove, IL (0.75%); and Brooksville, FL (0.67%), and is expected to be complete in July 2014 (N00019-12-C-2000).
June 7/12: 361 missiles. A $337.8 million firm-fixed-price contract for 361 Tomahawk Block IV All-Up-Round missiles for the Navy. This includes 238 RGM-109E missiles that are launched from strike-length Mk.41 Vertical Launch System (VLS) cells on surface ships, and 123 UGM-109E missiles that are launched from submarines equipped with the Capsule Launch System (CLS).
Raytheon’s release says that the buy includes replenishment of weapons used during Operation ODYSSEY DAWN in Libya, as well as the FY 2012 buy.
Work will be performed in Tucson, AZ (32%); Camden, AR (11%); Ogden, UT (8%); Anniston, AL (4%); Minneapolis, MN (4%); Fort Wayne, IN (4%); Glenrothes, Scotland, UK (4%); Dallas, TX (4%); Spanish Fork, UT (3%); Vergennes, VT (3%); Walled Lake, MI (2%); Berryville, AR (2%); El Segundo, CA (2%); Westminster, CO (2%); Middletown, CT (2%); Huntsville, AL (1%); Farmington, NM (0.2%); and various locations inside and outside the continental United States (11.8%), and is expected to be complete in August 2014 (N00019-12-C-2000).
FY 2012 + Libya replacement: 361
xGM-109E Block IV TLAMs: A Program Success Story
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Block IV missiles offer a number of improvements over previous versions: the missile’s purchase cost drops by almost half, to about $750,000, while lowering its future maintenance costs, and upgrading its capabilities.
Capt. Bob Novak, who was the Tomahawk All-Up-Round (PMA-280) program manager until August 2005, began leading the Tomahawk AUR program team in 2002 during a critical time in the development of the Tactical Tomahawk cruise missile. Under his leadership the program awarded the Navy’s first-ever weapons multi-year contract, and was estimated to have reduced the cost per missile from Block III to Block IV by almost 50%, saving $1 billion over planned lifetime costs while upgrading the missile’s capabilities. While reducing the Block IV Tactical Tomahawk’s purchase costs, improved design and manufacturing also reduced maintenance/ recertification requirements from once every 8 years for Block III missiles to once every 15 years.
PMA-280 was honored with several prominent awards, including the Secretary of Defense Value Engineering Award, the Daedalian Award, and the Ed Heinemann Award.
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One important new capability that Block IV Tomahawk brings to the US Navy’s Sea Strike capability is derived from the missile’s two-way satellite data link, which enables the missile to respond to changing battlefield conditions. The strike controller can “flex” the missile in flight to preprogrammed alternate targets, redirect it to a new target, or even have it loiter over the battlefield awaiting a more critical target. Block IV Tomahawks can also transmit battle damage indication imagery and missile health and status messages via the satellite data link, allowing firing platforms to execute missions in real time.
Global Positioning System-only missions are also possible in addition to the missile’s previous terrain-mapping guidance mode, thanks to an improved anti-jam GPS receiver for enhanced mission performance.
The majority of Tomahawk cruise missiles are currently launched by Navy surface vessels, such as the Ticonderoga Class (CG-47) cruisers and Arleigh Burke Class (DDG-51) destroyers. The later series of Improved Los Angeles Class (SSN-688I) and the newest Virginia Class (SSN-744) attack submarines are also armed with 12 dedicated Tomahawk launch tubes, while earlier Los Angeles boats and the newest Seawolf Class (SSN-21) have to sacrifice some of their stored torpedoes to carry and launch Tomahawks through their torpedo tubes. But the USA’s premier Tomahawk carrier vehicle in future will be the Ohio Class SSGN stealth strike subs, with launch capacity for an astounding 154 Tactical Tomahawks each.
Additional Readings & Sources
- US NAVAIR – Tomahawk
- Globalsecurity.org – BGM-109 Tomahawk
- DoN Acquisition One Source – Reducing Cost/Schedule for TOMAHAWK All-Up-Round Program
- Defense Daily (Nov 29/07) – Navy Seeks New Uses For Tomahawks. Covers a number of program developments, including the potential for thermobaric (fuel-air) warheads.
- Naval Air Station Patuxent River Tester Magazine (April 12/07) – Submarine-launched Tomahawk IV flight test a success
- Naval Air Station Patuxent River Tester Magazine (Dec 14/06) – Tomahawk IV in West Coast Test. “The test successfully demonstrated the Tomahawk Strike Network. The Tomahawk Strike Network (TSN) is a unique aspect of the Block IV system. Utilized in this test, TSN is a communications network that provides secure connectivity among all of the participants in a strike plan. Those participants include the Block IV missile(s), the strike controller, and the missile controller. Messages are generated, sent, and received inside the network, and are monitored by a channel controller. TSN allows the strike controller to retarget the missile in flight, monitor the health and status of the missile in flight, and collect images along the route.”
- Naval Air Station Patuxent River Tester Magazine (Aug 10/05) – Tomahawk program marks historic milestone
- Naval Air Station Patuxent River Tester Magazine (Oct 7/04) – New Tomahawk ready for warfighter
