The scene in which Luka jokingly suggests to Abby that they name the baby Mongo after his father is a revised version of a cut scene from an earlier scene. In that scene, Luka reveals that his father's real name is Steve, however in this episode it is now Josef.
Neela replies, "Actually, he didn't. He re-upped." to Dr. Dubenko's comment, "I, um... heard Gallant got called back by the Army again. That's got to be hard."