There'd be a scientific head, of course, but the vessel itself would require a skilled captain.

Later attempts on other vessels didn't require these structures).

Larger vessels and units require dalin or dal level officers.

For one thing, a solar-sailing vessel does not require fuel.

The vessel also required a depth of water to operate and could not transition to land or other surfaces.

Their vessel requires refueling followed by immediate departure for Vhiliinyar.

They would most likely be split up, sent off to whatever vessels most immediately required their presence.

In 1909 the vessel required a crew of seven.

All vessels berthing in the port require a pilot on board.

When the Mayday call is made, the vessel is requiring immediate assistance.