I am looking to start an invitation business solely online, with all art being my own. How do I protect my creations? Copyright?

The more you do the better. You should trademark the name of your business if you want to use it to distinguish your business. And you should...

Name Infringement?

If the name is already in use, and it is fictitious, then it sounds like what you want to do is use a name that is close enough to the one already...

I would say that making one high-quality copy of posters that you already own, and which are out of print, for your own personal collection to...

No, I would recommend against it.

CASCOM 600-27 --------------- g. Physical Training (PT) As Punishments. PT will not be used as punishment. PT is designed primarily to enhance...

Copyright issues or fair use?

As has been accurately stated, there is absolutely no way we can tell you whether your specific recordings would qualify as fair use. That said,...

A large company published a book with 95% of the same title as my very successful book. Their book is the same subject as mine

You really should sit down with a lawyer and discuss the details of this. Whether the title of the book is protectable depends on lots of things. ...

No, you should not need permission to include a country's flag in your artwork.

Married military man who had affair, what's next

Yes, and yes. Unlike in civilian life, adultery is actually a crime in the military. Severe punishments are rarely made for violations, but it is...

Will I recieve a Honorable discharge if I complete my time in service?

Yes, as the others said, unless you get kicked out, you should get an HD.