(a) In general The Secretary of Defense shall conduct a drone posture review for uncrewed aerial, ground, surface, and undersea vehicles and their enabling systems, including an identification of gaps in the capability of United States forces and the vulnerabilities of United States forces to foreign uncrewed systems. (b) Report Not later than March 1, 2027, the Secretary of Defense shall submit to the congressional defense committees a report that includes the findings of the review required under subsection (a).