When Chandler arrives at his house he is in full field gear: comms gear, ballistic vest, and a utility belt with his sidearm, extra magazines and radio. Yet a second later when he walks through the door he isn't wearing or carrying any of those things, he just has his uniform on.
There are no tall palm trees in Norfolk, VA. They were seen at the beginning, where Air Force planes were taking off with vaccine shipments.
When Slattery arrives at the Deer Park safe zone there is a sign that indicates that Deer Park is part of the Norfolk park system. It's actually located in Newport News and is part of that city's park system, Deer Park is about 30 miles northwest of Norfolk.