Governmental and Institucional Travels through fiction

GITT (Governmental and Institutional Travel and Tourism) travels are so assimilated in the minds of today's society that we hardly realize that it is constantly happening around us. Visits by ministers, presidents or former presidents, members of royalty, etc. are the daily routine, both in the real world and in the fiction that we constantly consume in series, movies, novels, etc. This makes us unaware of the amount of requirements and special features that surround this type of travel; both security, protocol and other types