A separate and unique identifier may be designed and approved in connection with or in commemoration of a major NASA program. Each approved identifier shall be officially identified by its title such as "Apollo," "Skylab," "Viking," "Space Shuttle," "Space Station," or a major NASA anniversary. NASA Program Identifiers shall be used as set forth in § 1221.112 pursuant to approval as set forth in § 1221.114 .
14 C.F.R. §1221.105