Biden delivered his 2024 State of the Union address, but this person "hided" According to CNN, a designated survivor must be qualified to serve as president. If something unexpected happens to the president, but a successor with a higher rank than the "designated survivor" survives the possible event, that person will become the president.
According to previous statistics from CNN, the Minister of the Interior and the Ministry of Agriculture are tied for the positions with the most 'designated survivors' appointments.