NASA Goddard has released a draft request for proposal for the Landsat 10 Spacecraft, which is available for review. The draft proposal outlines the requirements and guidelines for the development of the Landsat 10 Spacecraft. The document can be accessed through SAM.gov.

Source: https://science.nasa.gov/missions/landsat/released-nasa-goddard-issues-draft-request-for-proposal-for-the-landsat-10-spacecraft/