Hatch
Lock
Airlock
The door on a spacecraft is commonly referred to as a hatch. This hatch is used to provide access to the interior of the spacecraft and is designed to seal securely to maintain the internal pressure and protect the crew from the vacuum of space.
A spacecraft without people on board is called an unmanned spacecraft or a robotic spacecraft. These types of spacecraft are operated remotely from Earth or operate autonomously.
John Glenn's spacecraft was called Friendship 7
A reusable spacecraft is typically called a space shuttle or a reusable launch vehicle. These spacecraft are designed to be launched into space multiple times, reducing the cost of space missions.
The circling of the spacecraft around the moon is called its lunar orbit.
The one man spacecraft was called the Mercury .
John Glenn's first spacecraft was called Friendship 7.
The first spacecraft to land on the moon was called the Eagle, after the novel of Jules Verne called From the earth to the moon.
No spacecraft has ever landed on Pluto. The New Horizons spacecraft did a flyby (2015-2016) but did not land on the surface.
A group of spacecraft can be referred to as a fleet.
It is called a splashdown.
It was called Vostok 6