---
kind: "section"
citation: "42 U.S.C. § 18322"
title: "42"
title_heading: "The Public Health and Welfare"
number: "18322"
heading: "Space Launch System as follow-on launch vehicle to the Space Shuttle"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/18322"
units:
  - "Chapter 159 — Space Exploration, Technology, and Science"
  - "Subchapter II — Expansion of Human Space Flight Beyond the International Space Station and Low-Earth Orbit"
---

# §18322. Space Launch System as follow-on launch vehicle to the Space Shuttle

- (a) **United States policy—** It is the policy of the United States that [NASA](/usc/42/18302.md?p=6) develop a [Space Launch System](/usc/42/18302.md?p=10) as a follow-on to the Space Shuttle that can access [cis-lunar space](/usc/42/18302.md?p=3) and the regions of space beyond low-Earth orbit in order to enable the United States to participate in global efforts to access and develop this increasingly strategic region.
- (b) **Initiation of development—**
  - (1) **In general—** The [Administrator](/usc/42/18302.md?p=1) shall, as soon as practicable after October 11, 2010, initiate development of a [Space Launch System](/usc/42/18302.md?p=10) meeting the minimum capabilities requirements specified in [subsection (c)](#c).
  - (2) **Modification of current contracts—** In order to limit [NASA](/usc/42/18302.md?p=6)’s termination liability costs and support critical capabilities, the [Administrator](/usc/42/18302.md?p=1) shall, to the extent practicable, extend or modify existing vehicle development and associated contracts necessary to meet the requirements in [paragraph (1)](#b-1), including contracts for ground testing of solid rocket motors, if necessary, to ensure their availability for development of the [Space Launch System](/usc/42/18302.md?p=10).
- (c) **Minimum capability requirements—**
  - (1) **In general.—** The [Space Launch System](/usc/42/18302.md?p=10) developed pursuant to [subsection (b)](#b) shall be designed to have, at a minimum, the following:
    - (A) The initial capability of the core elements, without an upper stage, of lifting payloads weighing between 70 tons and 100 tons into low-Earth orbit in preparation for transit for missions beyond low-Earth orbit.
    - (B) The capability to carry an integrated upper Earth departure stage bringing the total lift capability of the [Space Launch System](/usc/42/18302.md?p=10) to 130 tons or more.
    - (C) The capability to lift the multipurpose crew vehicle.
    - (D) The capability to serve as a backup system for supplying and supporting [ISS](/usc/42/18302.md?p=5) cargo requirements or crew delivery requirements not otherwise met by available commercial or partner-supplied vehicles.
  - (2) **Flexibility.—** The [Space Launch System](/usc/42/18302.md?p=10) shall be designed from inception as a fully-integrated vehicle capable of carrying a total payload of 130 tons or more into low-Earth orbit in preparation for transit for missions beyond low-Earth orbit. The [Space Launch System](/usc/42/18302.md?p=10) shall, to the extent practicable, incorporate capabilities for evolutionary growth to carry heavier payloads. Developmental work and testing of the core elements and the upper stage should proceed in parallel subject to appropriations. Priority should be placed on the core elements with the goal for operational capability for the core elements not later than December 31, 2016.
  - (3) **Transition needs.—** The [Administrator](/usc/42/18302.md?p=1) shall ensure critical skills and capabilities are retained, modified, and developed, as appropriate, in areas related to solid and liquid engines, large diameter fuel tanks, rocket propulsion, and other ground test capabilities for an effective transition to the follow-on [Space Launch System](/usc/42/18302.md?p=10).
  - (4) The capacity for efficient and timely evolution, including the incorporation of new technologies, competition of sub-elements, and commercial operations.

## Source credit

(Pub. L. 111–267, title III, § 302, Oct. 11, 2010, 124 Stat. 2814.)