Sec. 221. TEST PROGRAM FOR ENGINEERING PLANT OF DDG(X) DESTROYER VESSELS

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## SEC. 221 TEST PROGRAM FOR ENGINEERING PLANT OF DDG(X) DESTROYER VESSELS ###

(a)Test Program Required During the detailed design period and prior to the construction start date of the lead ship in the DDG(X) destroyer class of vessels, the Secretary of the Navy shall commence a land-based test program for the engineering plant of such class of vessels. A minimum of two motor technologies with comparable efficiency, weight, and space characteristics that provide minimum of 40 megawatts of reserve power, in excess of propulsion and ship service at patrol speed, shall be tested in full scale to mitigate program risk and provide sufficient competition prior to down selecting to a class decision. ###

(b)Administration The test program required by subsection

(a)shall be administered by the Senior Technical Authority for the DDG(X) destroyer class of vessels. ###

(c)Elements The test program required by subsection

(a)shall include, at a minimum, testing of the following equipment in vessel-representative form: ####

(1)Two electrical propulsion motor technologies. ####

(2)Other propulsion drive train components. ####

(3)Main propulsion system. ####

(4)Electrical generation and distribution systems. ####

(5)Machinery control systems. ####

(6)Power control modules. ###

(d)Test Objectives The test program required by subsection

(a)shall include, at a minimum, the following test objectives demonstrated across the full range of engineering plant operations for the DDG(X) destroyer class of vessels: ####

(1)Test of a single shipboard representative propulsion drive train that incorporates two propulsion motor technology options. ####

(2)Test and facilitation of machinery control systems integration. ####

(3)Simulation of the full range of electrical demands to enable the investigation of load dynamics between the hull, mechanical and electrical equipment, the combat system, and auxiliary equipment. ###

(e)Completion Date The Secretary of the Navy shall complete the test program required by subsection

(a)by not later than the delivery date of the lead ship in the DDG(X) destroyer class of vessels. ###

(f)Definitions In this section: ####

(1)Delivery date The term “delivery date” has the meaning given that term in section 8671 of title 10, United States Code. ####

(2)Senior technical authority The term “Senior Technical Authority” means the official designated as the Senior Technical Authority for the DDG(X) destroyer class of vessels pursuant to section 8669b of title 10, United States Code.