Leading up to the detonation of the car bomb, the time left is shown to be 1 minute and 12 seconds, but forty seconds later it can be seen that there is 1 minute and 32 seconds. Twenty seconds after this, the timer starts the 10 second countdown.
DD 214 is the correct colloquial name for the discharge form that every US Armed Forces member receives after a discharge, separation, or retirement, but Kate mentions it as if it's a particular code that isn't used on every form, rather than being the name of the form itself.
When Luke is confronting Robles under Wayne Tower, there is a shot of Batwoman saying "Luke this bomb goes off in five minutes", but with the audio removed; instead Luke's line "Look at me" is heard. Two shots later the same Batwoman shot is re-used again, but this time with the audio intact. This feels like it may be a hasty and clumsy edit for certain markets or countries. This was from the UK broadcast.
Julia is a member of the Special Reconnaissance Regiment, but refers to it as an "agency" despite it being a special operations unit.