Presently one wishing early access is mandated to utilize arc's, if and when having sufficient number of arc's within the game, one can utilize them. if one doesn't have sufficient number's of arc's, using real money from various countries, one can purchase the number of arc needed and or more.
Once one has access to the early release of any of the available ship's after paying arc's. they then using the in game ship yard, using in game credit's purchase the ship or ship's they paid arc's to do so, prior to anyone willing to wait until Aug 7. Which then using only in game credit's purchase the same ship's, using zero arc's.