(1)the ISS, technology developments, the current Space Shuttle program, and follow-on transportation systems authorized by this chapter form the foundation of initial capabilities for missions beyond low-Earth orbit to a variety of lunar and Lagrangian orbital locations; and
(2)these initial missions and related capabilities should be utilized to provide operational experience, technology development, and the placement and assured use of in-space infrastructure and in-space servicing of existing and future assets.
(b) Space Shuttle capability assurance
(1) Development of follow-on space transportation systems
The Administrator shall proceed with the development of follow-on space transportation systems in a manner that ensures that the national capability to restart and fly Space Shuttle missions can be initiated if required by the Congress, in an Act enacted after October 11, 2010, or by a Presidential determination transmitted to the Congress, before the last Space Shuttle mission authorized by this chapter is completed.
(2) Required actions
In carrying out the requirement in paragraph (1), the Administrator shall authorize refurbishment of the manufactured external tank of the Space Shuttle, designated as ET–94, and take all actions necessary to enable its readiness for use in the Space Launch System development as a critical skills and capability retention effort or for test purposes, while preserving the ability to use this tank if needed for an ISS contingency if deemed necessary under paragraph (1).
(c) Sense of Congress regarding human space flight capability assurance
It is the sense of Congress that the Administrator shall proceed with the utilization of the ISS, technology development, and follow-on transportation systems (including the Space Launch System, multi-purpose crew vehicle, and commercial crew and cargo transportation capabilities) under subchapters II and III of this chapter in a manner that ensures—
(1)that these capabilities remain inherently complementary and interrelated;
(2)a balance of the development, sustainment, and use of each of these capabilities, which are of critical importance to the viability and sustainability of the U.S. space program; and
(3)that resources required to support the timely and sustainable development of these capabilities authorized in either subchapter II or subchapter III of this chapter are not derived from a reduction in resources for the capabilities authorized in the other subchapter.
Nothing in subsection (c) shall apply to or affect any capability authorized by any other subchapter of this chapter 
 So in original. Probably should be followed by a period.
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