I almost said Javascript out of ubiquity, but it'd be a grave insult to the plane. Java is a good answer, maybe C#, maybe Python. The language needs to be one that gets a lot of work done, and is reliable.
What's a language that's just always got your back in a situation? That's the F/A18.
What's a language that's just always got your back in a situation? That's the F/A18.