51 U.S.C. § 70508

Robotic or human servicing of spacecraft

The Administrator shall take all necessary steps to ensure that provision is made in the design and construction of all future observatory-class scientific spacecraft intended to be deployed in Earth orbit or at a Lagrangian point in space for robotic or human servicing and repair to the extent practicable and appropriate.

( Pub. L. 111–314, § 3 , Dec. 18, 2010 , 124 Stat. 3432 .)