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Taken from the aforementioned Appendix D:Table D-1 derives displacement and cost estimates for the DDGY using the DDGX as a baseline. The DDGX incorporates the latest design practices of the Navy, but, since it is still in the early design stages, its ultimate size and cost are as yet uncertain. It is prudent, therefore, also to derive DDGY displacement and cost estimates using as a baseline a ship that has been already built and delivered. This is done in Table D-2, which uses the FFG-7 as a baseline. This analysis yields a DDGY displacement of about 4,900 tons and a follow-on ship cost of $337 million to $428 million per unit. CBO's cost estimate for the DDGY of about $375 million is taken from the middle of this range; the ship's displacement has been rounded upward to 5,000 tons.
Taken from the aforementioned Appendix D:
Table D-1 derives displacement and cost estimates for the DDGY using the DDGX as a baseline. The DDGX incorporates the latest design practices of the Navy, but, since it is still in the early design stages, its ultimate size and cost are as yet uncertain. It is prudent, therefore, also to derive DDGY displacement and cost estimates using as a baseline a ship that has been already built and delivered. This is done in Table D-2, which uses the FFG-7 as a baseline.
This analysis yields a DDGY displacement of about 4,900 tons and a follow-on ship cost of $337 million to $428 million per unit. CBO's cost estimate for the DDGY of about $375 million is taken from the middle of this range; the ship's displacement has been rounded upward to 5,000 tons.
