1. Loff Sarah. Space Shuttle Era. NASA, NASA, 10 Mar. 2015, Retrieved from: www.nasa.gov/mission_pages/shuttle/flyout/index.html.
2. Dunbar Brian. The Aeronautics of the Space Shuttle. NASA, NASA, 1 Aug. 2017, Retrieved from: www.nasa.gov/audience/forstudents/9-12/features/F_Aeronautics_of_Space_Shuttle.html.
3. Craig A S, Hawkins M J, Hauglie J E, et al. Space launch system engine out capabilities. 2020 AAS/AIAA Astrodynamics Specialist Conference. 2020 (AAS 20-589).
4. Ballard R O. Next-generation RS-25 engines for the NASA Space Launch System. European Conference for Aeronautics and Space Sciences (EUCASS 2017). 2017 (M17-6076).
5. Dunbar Brian. Solid Rocket Boosters. NASA, NASA, Retrieved from: www.nasa.gov/returntoflight/system/system_SRB_prt.htm.