Space Cowboys has a premise that could have gone wrong very easily.

Four aging former Air Force test pilots get called back into action when an old Soviet satellite begins failing in orbit. The catch is that the satellite uses an obsolete guidance system that only one of them really knows.

So yes, Clint Eastwood, Tommy Lee Jones, Donald Sutherland, and James Garner end up training to go into space.

It sounds ridiculous. But it actually works.

A big reason is that the movie never treats these guys like superheroes. They are old. They know it. NASA knows it. Everyone around them knows it.

That’s where a lot of the friction comes from — and often the joke.

Eastwood is the stubborn leader, Jones brings the gruff intensity, Sutherland gets most of the sly comedy, and Garner gives the group some warmth. Their chemistry is really the heart of the movie — part buddy comedy about four old guys refusing to admit they’re old, part legitimate space thriller that gradually sneaks up on you.

Space Cowboys is not trying to reinvent anything. It is simply an entertaining studio movie built around four actors who know exactly how to hold the screen.