Unit 731 was stationed on mainland China during WW II. It killed over 3000 Chinese, Mongolian, and Russian people on the base, and killed up to 200,000 people in field tests of biological weapons. The atrocities were as bad, or worse, than Nazi experimentation, but few of the Japanese involved were ever tried for war crimes.
Jane uses the term "FUBAR". This is a US Army expression dating back to WWII. It is an abbreviation for F**ked Up Beyond All Recognition.
The tattoo on the guard that Artie identifies as the Eye of Horus is only part of the eye. The tattoo is missing the eyebrow, a horizontal line protruding from the outer corner, and a tear-like line beneath the eye.
The "Alibi" is a real bar in San Diego, CA. Next door to it is an adult book store which can partially be seen on the exterior shots of the front of the Alibi.
Kate Mulgrew's character name Jane is possibly a shout out to her Star Trek character name Captain Janeway