#80 and #81 are starting to remind me of 1950s American style, where the design invoked the might and advancement of humanity and looks very retro to us now. Very interesting and I like the direction.
Can you develop that logo further to reflect this style?
One example
http://3.bp.blogspot.com/_T_JachDW9ag/S3xyvQJjRFI/AAAAAAAAGN0/Ze9ohi5YByU/s800/bioshock-t-shirt.jpgTwo example
http://3.bp.blogspot.com/_T_JachDW9ag/SoLq35frVWI/AAAAAAAAAE8/vMKCtGN_4cU/s800/bioshock4.jpgAnother font to try:
http://myfonts-wtf.s3.amazonaws.com/09/0913147720393d3e20dd67cd483b8db4.8671.jpeg