Chapter 495 Underground Traversal

In the pitch-black night sky, thanks to complete radar stealth ability combined with negligible noise, nobody noticed the drone flying at 25,000 meters altitude. It was traveling at 2.5 times the speed of sound, and in just three short hours, it had crossed the airspace of five countries, flying from the distant North Pacific to the Persian Gulf waters in the Middle East.

The drone had taken off at 8:30 PM local time on Dream Island; by the time it had been flying for three hours and arrived in the Gulf Region near Kuwait, it was already 11:30 PM on Dream Island, yet only 6:30 PM in Kuwait. The sky there hadn't even completely darkened, it could be said that Yan Fei had entirely kept pace with the passage of time…