章 436: Chapter 214: Underground Gold Vault

The Drone swiftly submerged underwater and in a very short time had moved far enough from Guam. Only after reaching a sufficient distance from the US Military Base on Guam did the Drone stop advancing and then remained motionless at a depth of 600 meters below the sea surface. It was at this point that the Drone completely rid itself of the threat from the US Forces in Guam.

Only then did Yan Fei relax his tensed muscles, as his operation that night had finally been completed successfully. He never anticipated that his task would proceed so smoothly, rendering all the contingency plans he had secretly devised meaningless. However, this was the outcome he had most hoped for, after all, he didn't want every mission to be fraught with unexpected events that could leave him hanging by a thread.