C511 Groundwater Hole

Being watched by a country's submarine was not a fun thing to do, so the crew including Qu Feng and Qi Danei all became nervous.

"Boss, come here!"

Lan Bo pulled Lee Chui into the captain's room. He pointed to a red dot on the instrument and said, "Boss, this is the submarine." "From the sonar, we can be sure that this submarine is older. Even so