https://regulations.justia.com/regulations/fedreg/agencies/national-aeronautics-and-space-administration/2019/02/19?registers=between Sat, 04 Jan 2025 15:49:12 -0800 Sat, 04 Jan 2025 15:49:12 -0800 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/2019/02/19?registers=between https://regulations.justia.com/regulations/fedreg/2019/02/19/2019-02668.html https://regulations.justia.com/regulations/fedreg/2019/02/19/2019-02668.html Tue, 19 Feb 2019 00:00:00 -0800 2019-02668 Notice https://www.govinfo.gov/content/pkg/FR-2019-02-19/pdf/2019-02668.pdf