Long Range Standoff Weapon

Long Range Standoff Weapon. The Long Range Standoff Weapon is a next-generation, nuclear-capable cruise missile system developed for the United States Air Force. Designed to modernize the nation's air-launched strategic deterrent, it will replace the aging AGM-86 Air Launched Cruise Missile. The program represents a critical component of the broader U.S. nuclear triad modernization efforts alongside systems like the LGM-35 Sentinel and Columbia-class submarine.

Development and Acquisition

The program originated from a formal requirement to replace the AGM-86 Air Launched Cruise Missile, which entered service in the early 1980s. The United States Department of Defense initiated the effort, with the United States Air Force's Air Force Nuclear Weapons Center managing the acquisition. In 2017, the Air Force awarded contracts to both Lockheed Martin and Raytheon Technologies for a competitive technology maturation and risk reduction phase. Following a down-select, Lockheed Martin was awarded the engineering and manufacturing development contract to proceed as the sole developer. Key milestones involved rigorous testing at facilities like the Arnold Engineering Development Complex and oversight from the Department of Energy's National Nuclear Security Administration for the warhead integration.

Design and Specifications

The weapon is designed as a stealthy, air-launched cruise missile with a range exceeding 500 nautical miles, enabling launch from outside sophisticated enemy integrated air defense systems. It incorporates advanced low-observable technologies and materials to reduce its radar cross-section, enhancing survivability against systems like the S-400 missile system. Guidance is provided by a robust combination of an Inertial navigation system, Global Positioning System, and enhanced terrain-following capabilities. The missile is intended to carry the W80-4 thermonuclear warhead, a modernized variant of the warhead used on the AGM-86 Air Launched Cruise Missile and the BGM-109 Tomahawk.

Operational History and Deployment

The system achieved a major milestone with its first captive carry flight test aboard a B-52 Stratofortress from Barksdale Air Force Base in 2021. Further flight tests are ongoing to validate aerodynamic performance, carriage, and separation characteristics. Initial operational capability is planned for the mid-to-late 2020s. Upon fielding, the primary launch platforms will be the modernized B-52 Stratofortress and the future B-21 Raider stealth bomber, though it is also compatible with the B-1 Lancer and B-2 Spirit. Deployment will likely occur at key United States Strategic Command bases such as Minot Air Force Base and Whiteman Air Force Base.

Variants and Upgrades

The program is currently focused on a single nuclear-armed variant. However, the underlying airframe and propulsion design could potentially form the basis for future conventional or multi-role variants, similar to the development path of the AGM-158 JASSM family. Planned upgrades throughout its service life are expected to focus on software improvements to counter evolving threats, enhancements to its navigation systems to operate in GPS-denied environments, and potential range extensions. These updates will be managed through a continuous modernization pipeline coordinated by the Air Force Life Cycle Management Center.

Strategic Role and Capabilities

The weapon is a key element of the United States' commitment to modernizing its nuclear deterrent under the guidelines of the Nuclear Posture Review. It provides the United States Air Force with a long-range, survivable, standoff strike option to hold high-value, heavily defended targets at risk in denied airspace, thereby strengthening strategic stability. This capability directly supports the strategy of flexible response and complements other systems like the AGM-183 ARRW and the future Hypersonic Attack Cruise Missile. Its deployment ensures the credibility of the U.S. air-based leg of the nuclear triad in an era of advancing Russian Aerospace Forces and People's Liberation Army Rocket Force capabilities.

Category:Air-to-surface missiles of the United States Category:Nuclear weapons of the United States Category:Cruise missiles Category:Lockheed Martin