Fleets rarely die of a single failure. They die of a hundred small supportability decisions that were never made. Lifecycle support is designed, or it is absent.
Read the article: Lifecycle Support by Design: Preventing the Unsupported-Fleet Problem
A prototype proves a vehicle can exist. Production proves it can exist again, on schedule, to specification. The gap between the two is a discipline of its own.
Most unmanned systems programs are shaped by a platform decision made too early. A mission-first method produces capabilities that survive contact with reality.
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