When NASA's Space Launch System (SLS) launches for the first time from Kennedy Space Center, it will send the Orion crew vehicle farther into space than a human-rated spacecraft has ever traveled. The primary objectives of this first uncrewed mission, Exploration Mission-1 (EM-1), focus on verifying and validating the new technologies and integrated systems developed for SLS, Orion and Exploration Ground Systems (EGS), which together comprise NASA's new deep space exploration system. EM-1 also provides the opportunity for 13 6U CubeSat secondary payloads to be deployed in deep space. As progress is being made toward that first launch, planning is also taking place for secondary payload opportunities on future missions. This paper will provide an overview of the status of the SLS Block 1 launch vehicle and an overview of the 6U payloads selected for EM-1. In addition, an overview of the EM-1 mission trajectories and the "bus stops" along the trajectory where the payloads will be deployed will be noted. Challenges and new workflows required in identifying and certifying potential payloads will be discussed. The paper will also discuss opportunities that will be presented by future evolutions of SLS.
Options for development flight testing (DFT) of the Ares I Crew Launch Vehicle (CLV) are discussed. The Ares-I Crew Launch Vehicle (CLV) is being developed by the U
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