Which of the following events triggers the issuance of a Temporary Flight Restriction (TFR)?

The issuance of a Temporary Flight Restriction (TFR) is typically triggered by events that require enhanced security or safety measures in the airspace. The movement of the President is a prominent example of such an event, as it necessitates a high level of security and coordination. TFRs are put in place to prevent any unauthorized aircraft from entering the airspace around the President, ensuring his safety and that of those around him.

While sporting events, natural disasters, and military exercises can also lead to TFRs, they are generally related to different contexts or implications. Sporting events can create temporary restrictions to manage air traffic for aerial coverage or to keep airspace clear for safety. Natural disasters might trigger TFRs to allow for search and rescue operations, or to facilitate emergency response efforts. Military exercises may lead to TFRs due to the need to secure military operations and maintain safety during training exercises. Each of these scenarios involves specific considerations but does not carry the same direct security-related implications associated with the movement of the President.