- elonmusk@teslamotorsclub .... Note, F9 Block 5 (arguably should be called Version 7) will have legs V2. Similar overall geometry, but easier to reuse. Aiming for two flights within 24 hours w V7. In theory, all we will need to do is reload propellant. [Instagram comment] https://www.instagram.com/p/bhsc2wtgoq6/ 311 comments spacex