25. You need 25 Modular Terminals.
Trust me. I counted them. Each. And. Every. One.
Twice.
Ah I saw you briefly in Sirius the other day. 25 now! Sirius Corp in retreat! wow ED even models the Brexit effect. I had 8 and couldn't get any more MT missions at the time.
My flying boots have been gathering dust for six months and it was clear from a number of pirate encounters that my combat skills could do with a polish also. So the quest is on hold while I blow things up at the current combat CG.