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1. The DefDex page and the specific statement or figure.
2. What you believe should change and why.
3. A link to the supporting public source, with its date and relevant passage.

For cost figures, include the currency, year, quantity, and what the amount covers. For production claims, distinguish announced targets from demonstrated output.

Useful leads include overlooked companies, systems, suppliers, facilities, materials, and public research. A name, a source link, and a short explanation of its relevance provide a starting point.

A suggested correction needs evidence before it can change a record. See Methodology for how the site treats claims, costs, and uncertainty.