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By Ryan Finnerty 2022-05-20T19:21:00+01:00
America’s elite troops want to move away from GPS-guided munitions for precision strikes.
The reveal came in remarks from a US Air Force officer with US Special Operations Command (SOCOM) during the Special Operations Forces Industry Conference, which ran from 16-19 May in Tampa, Florida.
The GPS-guided Joint Direct Attack Munition, or JDAM, has been a fixture of the US air arsenal for almost 25 years.
“[We’re] expecting the future operating environment won’t have GPS readily available,” USAF Lieutenant Colonel Matt Foertsch says on 18 May. Foertsch leads the precision strike team within SOCOM’s procurement office for fixed-wing aircraft systems.
Foertsch was speaking as part of a presentation by Program Executive Office (PEO) Fixed Wing, an office of SOCOM’s Special Operations Forces Acquisitions, Technology and Logistics section. SOCOM operates its own procurement offices separate from the PEOs that acquire new equipment and technology for the USA’s conventional forces.
The Global Positioning System is powered by a constellation of orbiting satellites that are controlled by the US Government. The technology is heavily integrated into US military operations, involved in everything from navigation to encrypted battlefield communications.
GPS has also fuelled a revolution in precision air support. The bolt-on McDonnell Douglas-Boeing Joint Direct Attack Munition (JDAM) guidance kit has allowed more than 400,000 unguided, gravity bombs to be quickly and cheaply converted into precision munitions. The JDAM kit can also be fitted with a laser-seeking sensor.
However, some 25 years after JDAM revolutionised air support, American operators think GPS-guided bombs’ best days are behind them. Russia and China have successfully tested satellite-killing missiles in recent years that could be used to knock out GPS satellites. It is also possible to jam, disrupt or even spoof signals coming from those satellites.
In 2011, Iran forced the landing of a Lockheed Martin RQ-170 Sentinel unmanned aerial surveillance vehicle being operated by the US Air Force over Iranian airspace. GPS spoofing has been suggested as one possible explanation for the incident.
With that vulnerability in mind, SOCOM is asking the defence industry to come forward with options for replacing GPS in precision weapons.
“Right now, we largely do laser targeting”, Foertsch notes. “But we’re looking for future capability that industry has pushed along in the optical realm, or automated target recognition.”
“Automated target recognition” is military-speak for artificial intelligence-powered systems that can identify targets based on appearance. A variation of that concept already powers technologies like facial recognition.
While laser-guided munitions can already remove GPS from the equation, they are less apt when it comes to another precision strike priority: target stand-off. Laser guidance requires someone or something – whether it be ground forces, loitering UAVs or manned aircraft – to get close enough to paint targets with lasers.
“We’re looking for greater range and stand-off distances,” Foertsch adds.
The Mitchell Institute’s Mark Gunzinger, a retired USAF colonel, reached a similar conclusion to SOCOM. In a 2021 paper, Gunzinger argued the USAF should focus on developing so-called “stand-in” weapons that can be released and fly independently to a target 50-250nm (93-463km) away.
To that end, Foertsch notes SOCOM is developing two miniaturised cruise missiles that incorporate features like glide wings and electric propulsion.
However, such replacements are likely years away from full-scale implementation. GPS munitions may also continue to have a role during conflicts in so-called “permissive environments”, where adversaries do not have advanced air defence or electronic warfare capabilities.
The service’s QUICKSINK programme is exploring methods for cheaply sinking naval vessels from the air.
Three Boeing F-15E Strike Eagle fighters demonstrated new tactics, techniques and procedures for dropping modified GBU-31 Joint Direct Attack Munitions (JDAM) on moving and stationary maritime targets on 26 August.
The US Air Force could explore alternative contractors to satisfy its insatiable need for all-weather, smart munitions, even as the service has called its primary joint direct attack munition supplier, Boeing, to produce more of the weapons.
US Marine Corps Fighter Attack Squadron 242 in Iwakuni, Japan was declared operational with 32 F-35Bs, the second such squadron based in that country.
The Armed Overwatch programme aims to procure some 75 manned, fixed-wing aircraft for reconnaissance and close air support to special operators.
Dubbed the Liberty Lifter, the project by the Defense Advanced Research Projects Agency aims to design, build, and fly a long-range, low-cost heavy-lift aircraft capable of seaborne strategic and tactical lift.
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