SpaceX has successfully launched its first national security mission for the US military. Not much is known about the payload except that it's a spy satellite.
"Αν δεν πετύχαινε και η τέταρτη εκτόξευση δεν είχαμε τους πόρους για να πάμε σε πέμπτη δοκιμή" - 'Ιλον Μασκ
I haven’t all specs from SpaceX to do an evaluation of its running costs, but we must keep in mind that to put 1 kilograms of weight into orbit, 586 kilograms of rocket fuels are needed, and in this case, the landing fuel must be included in the uplifting payload.
ΑπάντησηΔιαγραφήI will comeback in case I obtain the missing information…
Dr. Evangelos Arkas, London, UK.