Ryan Booth scar at the abdomen (which he received by being shot in S1) disappeared at the shirtless yoga session.
The town where the SDR exercise takes place is clearly not Williamsburg, VA. The architecture is too urbanized -- the real Williamsburg is a mix of contemporary suburban layouts and American Colonial. Also displaying red lights in windows (like the red neon sign) is discouraged inside Williamsburg proper.
Shelby Wyatt and one other character refer to the Vice President's plane as Air Force One, which is incorrect because the President is not on the plane. Air Force One is the official air traffic control call sign for a United States Air Force aircraft carrying the President of the United States. Technically, the 747 specifically designed for use by the President is not recognized with the "Air Force One" air traffic control call sign when the aircraft is not transporting the President.