Here is my theory. Mainly the part about EMS .When shit was ready to go down,Q said Potus would be going mobile.He needs the "football"for EMS activation.
n his book Breaking Cover, which was released on August 11 of 1980,[5] Bill Gulley, the former director of the White House Military Office, wrote:[4]
There are four things in the Football. The Black Book containing the retaliatory options, a book listing classified site locations, a manila folder with eight or ten pages stapled together giving a description of procedures for the Emergency Alert System, and a three-by-five-inch [7.5 × 13 cm] card with authentication codes. The Black Book was about 9 by 12 inches [23 × 30 cm] and had 75 loose-leaf pages printed in black and red. The book with classified site locations was about the same size as the Black Book, and was black. It contained information on sites around the country where the president could be taken in an emergency.
A small antenna protrudes from the bag near the handle, suggesting that it also contains communications equipment of some kind.[4