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Active Protection System (APS) for tanks

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https://www.dote.osd.mil/Portals/97/pub/reports/FY2019/army/2019aps.pdf?ver=2020-01-30-115323-267

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System
Trophy APS
•  The Trophy APS includes search radars to detect, identify, and track incoming threats, and a set of kinetic projectiles intended to destroy the threat or cause its early detonation.  The Abrams base armor is expected to absorb post-engagement threat residuals (threat by-products generated after the collision).  The Trophy APS adds approximately 8,600 pounds to the platform.  The Army has integrated the Trophy system into the tank’s situational awareness system.  

 

Iron Fist – Light Decoupled APS
•  The Iron Fist – Light Decoupled APS includes radars and optics to detect, identify, and track incoming threats, and a set of explosive projectiles intended to destroy or divert the threat. The system adds approximately 1,543 pounds to the platform. The fielded Bradley A3 does not generate sufficient power to operate the APS, while the Bradley A4 power components, currently under development, can support this APS solution.

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Assessment
Trophy APS
•  During Phase I, Trophy APS countered most of the threats tested in basic range conditions and threat engagements.  The Army relied heavily on the contractors to set up the Trophy APS due to the limited knowledge of the foreign system.
•  The evaluation of Phase II live fire testing is ongoing.  The Army trained the test personnel to use the system without help from the contractor.  The Army is maturing the existing vulnerability modeling and simulation tools to complement the system assessment.
•  The evaluation of Phase II operational testing is ongoing.  Limited testing was conducted to assess installation time, transportation issues, and technical manual validation.  There was no real-time casualty assessment (RTCA) or simulator support for Trophy APS testing.  This hindered the test unit’s ability to develop or assess crew and platoon tactics, techniques, and procedures associated with Trophy APS employment in a force-on-force environment.  The Army has no plans to develop RTCA.  The Army is developing Training Aids, Devices, Simulators, and Simulations for Trophy APS.
•  Phase II live fire and operational testing was designed to support the fielding of one brigade of pre-positioned stocks to the European Command.   

•  DOT&E will detail the performance of the Trophy APS-equipped Abrams tank in a combined OT&E/LFT&E report in 2QFY20 to support the UMR.  


Iron Fist – Light Decoupled APS
•  Phase I demonstrated an inconsistent capability of the Iron Fist APS to intercept threats largely due to countermunition dudding and power failures to the launcher.  The Army has been working with the vendor to address and implement some prospective solutions to mitigate these shortfalls.  The Army will verify these fixes in Phase II scheduled for 1QFY21.  A demo of the Phase II system will be conducted at the vendor’s test facility in December 2019.

 

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4 hours ago, Ramlaen said:

The Trophy APS adds approximately 8,600 pounds to the platform.

I wonder how much of that is the actual system and how much is the 'canoe' needed to hold it all on each side of the turret.

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Iron Fist for Bradleys is dead for now.

 

From the FY21 budget request.

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MOD 10 (Survivability Enhancements)  decrease from FY 2020 to FY 2021 is due to the elimination of production and fielding of Active Production System (APS) to EDI.

 

https://www.janes.com/article/94247/pentagon-budget-2021-us-army-zeros-out-funding-for-bradley-active-protection-system

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Congressional cuts to the US Army's A4 Bradley line this year forced the service to cancel its active protection system (APS) solicitation and halt plans to outfit the platform with Elbit Systems' Iron Fist Light Decoupled (IF-LD).

Lieutenant Colonel Matthew Johnson, the army's Bradley programme manager, spoke with Jane's on 11 February about difficult budgetary decisions facing his programme after the fiscal year 2020 (FY 2020) Consolidated Appropriations Act stripped dollars from the vehicle line. This reduction then forced the service to decide where to make cuts and it opted to cancel its Bradley APS solicitation in late January. As a result, the service will not meet its 2021 first unit equipped date.

"While the requirement has not been cancelled, we did pull the solicitation. [and] due to impacts of the FY 2020 [appropriations bill] we needed to push procurement of the system," he explained. "Our original plan was very aggressive, where we were going to test and produce the systems simultaneously in an effort to meet our first unit equipped date in fourth quarter 2021, but due to the funding impact to the Bradley programme, we have had to go back and re-evaluate our schedule."

Beyond the enacted FY 2020 spending bill, however, the army's newly released FY 2021 budget request also zeroes out funding for outfitting the Bradley with an APS. "No there is not production dollars identified [in the budget] for Iron Fist on Bradley," Lt Col Johnson said, adding that he is "working diligently" with the army staff to find a way ahead.

For decades, though, army leaders have been working to outfit their fleet of ground combat vehicles with APS technologies to counter threats such as anti-tank guided missiles and rocket-propelled grenades, but have stumbled along the way.

 

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