Unfortunately, there are quite a few people looking to jump into this space because of the government spending: private equity groups, people with money but no sense, etc.
For many of those, they should stay away. They have no experience in running those type of businesses, nor working with government contracts.
I made parts for a prototype project through a defense aircraft manufacturer. A part that would take me three hours to make on the mill required 10 times the work just to shuffle paper work.
When I hear people complain about the navy spending $5000 for a toilet seat I just shake my head and think, “wow, they got one that cheap?