Executive Office of the President.
[ee-os] /ˈi ɒs/ noun 1. the ancient Greek goddess of the dawn, identified by the Romans with Aurora. /ˈiːɒs/ noun 1. (Greek myth) the winged goddess of the dawn, the daughter of Hyperion Roman counterpart Aurora 1. earth observation satellite 2. earth observing system 3. end of story 4. enter stop order
Earth Observation Satellite Company
Earth Observing System Data and Information System