https://regulations.justia.com/regulations/fedreg/agencies/national-aeronautics-and-space-administration/2019/12/16?registers=between Sat, 27 Apr 2024 00:18:02 -0700 Sat, 27 Apr 2024 00:18:02 -0700 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif https://regulations.justia.com/regulations/fedreg/agencies/national-aeronautics-and-space-administration/2019/12/16?registers=between https://regulations.justia.com/regulations/fedreg/2019/12/16/2019-26998.html https://regulations.justia.com/regulations/fedreg/2019/12/16/2019-26998.html Mon, 16 Dec 2019 00:00:00 -0800 2019-26998 Notice https://www.govinfo.gov/content/pkg/FR-2019-12-16/pdf/2019-26998.pdf