{"version":"1.0","type":"link","title":"REFSMMAT - Newikis","description":"REFSMMAT is a term used by guidance, navigation, and control system flight controllers during the Apollo program, which carried over into the Space Shuttle program. REFSMMAT stands for \"Reference to Stable Member Matrix\". It is a numerical definition of a fixed orientation in space and is usually…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}