Of course, if you want to be literal with Trek tats, get a TNG combadge on your left chest just above the nipple and get some rank pips on your neck.
TOS is my favorite Trek. I'm not saying anything negative about TNG. I love all of Star Trek. I'm going with the TOS Starfleet Command delta insignia badge on my chest. It will be place above my left nipple (See below). This badge has a more modern look than the 60's version. I'm not sure of the size. I was thinking of three to four inches in length and two to two and half inches in width. I'm not sure if this is too small or too big. It's something I need to discuss with my Tattoo Artist. This same tattoo is also going on my left lower back leg and will be the same size as my Borg 5618 insignia tattoo.

