US orders travelers on Air Force One to throw away gifts, pins, and burner phones after China trip

US travelers on Air Force One are ordered to dispose of gifts, pins, and burner phones after visiting China due to security concerns about China's advanced intelligence and espionage capabilities. This is a precautionary measure to prevent potential data breaches or espionage. Engineers should be aware of this policy to ensure compliance. It's essential to follow security protocols when traveling to countries with high espionage risks.