"July 24 (p. 244): ... In U.S.S.R. TV viewers had live coverage for first time during mission at Moscow TV station hooked into Eastern Europe's Intervision network for live transmission of astronauts being deposited on carrier Hornet. Later, station devoted first two-thirds of final newscast to Apollo 11 and announced that Soviet President Nikolay V. Podgorny had sent telegram to President Nixon offering "our congratulations and best wishes to the space pilots."
Soviet Academy of Sciences president Mstislav V. Keldysh called voyage "a big contribution to space exploration and further progress of world science." Cosmonauts send message to Apollo 11 crew: "We... closely followed your flight. We wholeheartedly congratulate you on the completion of your wonderful journey to the moon and safe return to earth.""
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Self-explanatory!
Can someone translate what "We... closely followed your flight" means?
"July 24 (p. 244): ... In U.S.S.R. TV viewers had live coverage for first time during mission at Moscow TV station hooked into Eastern Europe's Intervision network for live transmission of astronaut ...