The ships are sailing towards the port.

School ships are important for the training of sailors.

Tanker ships transport oil and other liquids.

The naval vessels are docked at the port.

Lighthouse ships are important for maritime safety.

Warships protect the territorial waters.

I like to navigate on the open sea.

The ships have navigated across the ocean.

The space shuttle has traveled in space for years.

The spacecraft is about to launch on a mission to Mars.