The Federal Space Agency plans to expand the orbital constellation of D33 Earth remote probing satellites to 28 ones by 2020, Interfax reports.

"Today we have 5 satellites, next year we will have 8 ones, by 2015 - 12-15 ones and we plan to expand the orbital constellation to 28 satellites by 2020 and support it continuously", - Valery Zaichko, Counselor of the head of Federal Space Agency, said.