It is simplest to assume that at rest, the bullet has neutral buoyancy.

An object that has neutral buoyancy will neither sink nor rise.

It operates close to neutral buoyancy and doesn't require a winch.

The collision had done some damage, but the launcher was in a state of neutral buoyancy.

I'm sorry, sir, the chief says he can no longer keep the boat from losing neutral buoyancy.

The average human body with a relaxed lungful of air is close to neutral buoyancy.

A submarine under water is close to neutral buoyancy.

Fish also are designed to be in close to neutral buoyancy.

"The cases are of neutral buoyancy," he said as he got back into the boat.

Holding to the present neutral buoyancy and a knowledge of the waters, the man evidently decided to make a run for it.