1) Any money attracting sub, which could also enable me to afford all the other 6G programs 
I remember a discussion about just developing a new UMS stage 4, using the v.2 stages 1-3, but I'm assuming that the technology gap is now too large.
2) Memory improvement
I remember a discussion about just developing a new UMS stage 4, using the v.2 stages 1-3, but I'm assuming that the technology gap is now too large.
2) Memory improvement
