#Ariane5 countdown operations started at 10:28 UTC today with power-up ops at 11:18 followed by final launch vehicle checks
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Propellant loading was to start at T-4 hours and 38 minutes on the EPC first stage and T-3:28 on the ESC-A second stage.
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It takes two hours for #Ariane5 to be loaded with 184 tonnes of -183°C Liquid Oxygen and -253°C Liquid Hydrogen. Tanks then enter replenish
