Ten weeks before deployment, First Sergeant Isaiah Freeman inherits a headquarters company whose celebrated readiness figures do not match its Soldiers, records, or equipment. Duplicate component serials, coerced signatures, and one frightened supply specialist point toward more than careless administration. Someone has learned how to turn command pressure into cover for theft. Freeman begins pulling at the record while Captain Lena Holt measures every discovery against a mission clock that will not stop. As the company fractures between loyalty, fear, and self-preservation, a young Soldier is injured, a false story hardens around him, and the people who benefited from silence begin protecting the system that protected them. Freeman can expose what happened, but doing so may destroy the trust he needs to keep the formation alive. First Sergeant is a grounded military suspense novel about readiness, institutional pressure, family strain, and the kind of leadership that stands where consequences arrive first.