The interview process is more focused on behavioral questions. There is minimal technical rigor. Aerospace and defense is different enough that much of the work performed requires OJT, even if you have advanced college degrees.

Because of that, they'll only question you on technical things if they don't believe your resume. It's usually behavioral. Communication skills are paramount.

Describe a situation where you were working on a project and encountered personnel difficulties and talk me through how that affected you and what your response was.