Tons of TVs
Air Force One features 20 televisions, and each one is placed strategically so that anyone can view one when necessary. No one says why there are so many, but it could be because of the staff and press flying with the POTUS; everyone must keep up with reports.
Showing Its Age
A Live Science report indicates that both Air Force One planes are customized Boeing 727-200Bs. They were purchased under the administration of Ronald Reagan but didn’t go into service until later. However, Boeing stopped producing them, so it’s hard to find replacement parts.