whenever and wherever necessary. (D) An analysis and recommendation of which Navy vessels could be ice-hardened to effectively preserve freedom of navigation in the Arctic region when and where necessary, in all seasons and weather conditions. (E) An analysis of any cost increases or schedule adjustments that may result from ice-hardening existing or new Navy vessels. (3) Comptroller General of the United States review Not later than 90 days after the date on which the Secretary submits the report required by paragraph (1), the Comptroller General of the United States shall submit to the congressional defense committees a review of the report, including any matters in connection with the report and the review that the Comptroller General considers appropriate. (4) Form The report under paragraph (1) and the review under paragraph (3) shall each be submitted in unclassified form, but may include a classified annex. 4. Deputy Assistant Secretary of Defense for the Arctic Region (a) Findings Congress makes the following findings: (1) Current Department of Defense jurisdiction over the Arctic Region is a classic case study in operational seams between three geographic combatant commands—the United States Northern Command (USNORTHCOM), the United States European Command (USEUCOM), and the United States Pacific Command (USPACOM)—and involving two functional combatant commands—the United States Strategic Command (USSTRATCOM) and the United States Transportation Command (USTRANSCOM). (2) Within the Arctic Region, the United States European Command has primary responsibility for the key adversary, the United States Pacific Command has operational control of the United States forces located in Alaska that are best trained for Arctic conditions, and the United States Northern Command has the assigned role as the Department of Defense Advocate for Arctic Capability . (3) Within the Office of the Secretary of Defense, there is no single person directly responsible for the coordination of Arctic security issues and, while the