[1] Earth Observing System/Earth Observatory Satellite(s) {Weltraumfahrt}

[2] ElectroOptical System

[3] Equation Of State (->"IEEE Standard Dictionary")

[4] End Of String

[5] Educational Online Sources

[6] Electrical/Electrostatic Overstress

[7] Extended Operating System

[8] Earth Orbit Shuttle (->"NASA Acronym List")

[9] Emergency Oxygen Supply/System (->"NASA Acronym List")