; (ii) possible adjustments to ground-based midcourse defense shot-doctrine and required interceptor capacity; (iii) possibilities for direct integration with Fort Greely’s Command and Control node; and (iv) impacts on regional missile defense systems including Aegis Ballistic Missile Defense, Aegis Ashore, and Terminal High Altitude Area Defense. (B) A detailed comparison of the capabilities of Long Range Discrimination Radar and the COBRA DANE radar, including— (i) the unique capabilities of each radar; (ii) the overlapping capabilities of each radar; and (iii) the advantages and disadvantages of each radar’s location. (C) A modernization plan for the long-term continued operations and maintenance of the COBRA DANE radar or a plan to replace its capability if COBRA DANE cannot remain operational, and the costs associated with each plan. (c) Assessment by Comptroller General of the United States Not later than 90 days after the date on which the Director submits the report under subsection (b)(1), the Comptroller General of the United States shall— (1) complete a review of the plan required by subsection (b)(2)(C)