At the beginning, the kid pretending to be a sheriff says to the man sitting in the park bench, "Now, don't let me catch you in Dodge City again." Mark Harmon played the Sheriff of Dodge City in the film Wyatt Earp.
The outfit that Abby is wearing (at about the 41 minute mark) with the dark blue one piece overalls and red with white polka-dots scarf on her head is an homage to the WW II American "We Can Do It" Rosie the Riveter posters. Earlier in the episode S13 E6 Abby mentioned the brain power of the three women, (Delilah, Abby, and Ellie); the "We Can Do It" posters promoted the women working at home while men were fighting WW II.
The Naval Vessel the team interview LT Kara Gifford on is the USS William Charette (DDG-130). An Arleigh Burke-class guided missile destroyer.