| Acronym | Meaning |
 | LAI | Leaf Area Index |
 | ASP | Alarms And Shutdown Process |
 | NPC | National Processing Centers |
 | LWC | Liquid Water Content |
 | EO-ICWG | Earth Observation International Coordination Working Group |
 | APOLLO2 | RTD SRL Code For Operating Limits |
 | HESS | Health |
 | LARC | Limited Area Remote Collector |
 | ERT | Environmental Research And Technology |
 | BGE | Block Gaussian Elimination |