this already exists: USAA Banking and Investing
And if you can get in, it's definitely worth it. I've used them for several years now and have zero complaints. Their customer service is awesome, their website is very good, and the iPhone/Android apps are great.
https://www.usaa.com/inet/ent_utils/McStaticPages?key=why_ch...
USAA's insurance is top-notch, too.