When President Donald Trump departed Turkey this week, he boarded a 35-year-old modified Boeing 747, not the newly converted plane parked across the tarmac that had been introduced with much fanfare just days earlier.

President Trump switched from his new Qatari donated jet to an older Air Force One this week after Israeli intelligence flagged a possible threat to his life.

Swedish-made Gripen fighter jets have long been viewed as ideal for Ukraine's fight against Russia and it's long-term security.

When a world leader travels overseas, safety is always the primary concern. Every detail is planned down to the minute, and the ride home is rarely left to chance. But sometimes, a sudden change of plans leaves onlookers searching for answers.