July 2026 Continued from previous page
to keep existing systems opera- tional. Demand remains low, fragmented and tied to aging platforms. There is no volume surge to
offset non-recurring engineering costs, testing overhead or sus- tainment complexity. Instead, significant investment is direct- ed toward a shrinking popula- tion of systems with limited op- portunity to recover cost or re- duce long-term exposure. For organizations support-
ing 30-year mission lives, the constraint is often not the electri- cal design. It is long-term sup- port continuity.
A Sustainment Problem Supply chains rotate. Engi-
neering teams change. Institu- tional knowledge fades. Test equipment ages. Without delib- erate sustainment processes, or- ganizations often default to re- design as a substitute for sup- port, only to rediscover the same problems later under greater time pressure and higher cost. Sustainment prioritizes con-
tinuity over optimization and re- peatability over novelty. It focus- es on keeping deployed systems operational rather than improv- ing what could be built next. That distinction matters.
Design builds what is next. Sus- tainment protects what is al- ready deployed. Treating sustainment as
just another extension of engi- neering can lead to distraction, delay and recurring risk. The two disciplines are connected, but they are not the same.
Effective Sustainers Organizations that manage
legacy risk well recognize that long-lifecycle systems require specialized support strategies. That includes managing obsolete parts without automatically trig- gering redesign, preserving insti- tutional knowledge as teams and suppliers change, and maintain- ing legacy test equipment and acceptance methods tied to his- torical baselines. It also means capturing fleet
data on what actually works in the field and supporting the low- volume realities of mature sys- tems rather than applying high- volume production assumptions. This is not a critique of engi-
neering capability. It is a recog- nition that different functions are optimized for different objec- tives. Engineering teams should be able to focus on forward-look- ing design work. Sustainment teams and partners should be structured to protect the in- stalled base.
Planning for Legacy At its core, legacy manage-
ment is a leadership decision SUMMIT LT150
www.us -
tech.com Why Redesign Cannot Solve Legacy Risk
about how risk and responsibili- ty are handled over the life of a system. Organizations that control
legacy effectively stop treating re- design as the default response to obsolescence. Instead, they build sustainment strategies that oper- ate alongside engineering. That includes authorized
manufacturing and repair paths, preservation of test capability and configuration knowledge, supply chain strategies built for long lifecycles and low volumes,
and specialized partners focused on sustaining installed systems. GDCA supports this model
by establishing controlled, au- thorized sustainment paths so legacy systems can remain sup- ported without forcing repeated redesign cycles or consuming en- gineering capacity.
A Durable Approach Redesign can change the
hardware. It does not change the economics or realities of long- term support.
When redesign substitutes
for sustainment, organizations inherit longer timelines, higher costs and parallel obsolescence risk.
A more durable approach is
to treat sustainment as its own discipline, protecting the in- stalled base while engineering focuses forward. Contact: GDCA, Inc., 1799
Portola Avenue, Livermore, CA 94551 % 925-456-9900 E-mail:
sales@gdca.com Web:
www.gdca.com r
Page 25
When Rework Becomes A Bottleneck,
Performance Stops. THE SUMMIT LT150 PUTS YOU BACK IN CONTROL.
Next-generation components demand next-generation rework. The VJ Electronix Summit LT150 is purpose-built to handle today’s largest, most complex devices,
WHY IT MATTERS:
As components grow larger, denser, and more expensive, traditional rework systems simply fall short. The Summit LT150 addresses this challenge head-on, delivering the control and capacity required to protect product quality, improve yields, and reduce costly scrap and rework cycles, even on the most demanding assemblies.
KEY ADVANTAGES:
A proprietary 4.4 kW top heater with dual PID control delivers uniform heating from center to corner, maintaining consistent Time Above Liquidus and protecting component integrity.
A 1.5 kW spot heater balances top and bottom heating, reducing cycle time while safeguarding high-value components.
Supports 24 x 36 in. (610 x 915 mm) boards standard, with an optional 650 × 1200 mm upgrade and up to 11.2 kW bottom heating, making it ideal for AI, Communications, Aerospace, and advanced industrial designs.
100 mm top and bottom clearance allows safe rework between connectors, heat sinks, and tall components — eliminating the need for risky workaround processes.
Contact - VJ Electronix
SEE WHAT YOUR CURRENT REWORK SYSTEM CAN’T DO!
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