Why it matters
Its value comes from completeness and repeatability: radio, power, antenna, support, feed line, interface, tools, documentation, weather protection, and spares must work together.
A practical example
A heavy case full of radio gear is not ready if it lacks the adapter, mast line, fuse, or channel plan that completes deployment.
Use it well
Define the mission and carry limit, deploy under a timer, let another operator use it, and correct every friction point.
Keep the measurement reference plane, current program rules, land access, spectrum authorization, and exact packed configuration with the decision. A connector, meter reading, or program name alone does not establish readiness.