One inch above the ribbons on the right side or one inch above the right pocket if ribbons are not worn.
Yes you do wear them. It is the same as your Class A Uniform
The location is as shown on the chart at the related link below.
No, Marines are not authorized to wear their dress blues coat with jeans. The dress blues uniform is typically worn with appropriate uniform trousers or a skirt.
Yes when appropriate for the duty-it's called modified dress blues
in 2012 they will
The US Army is presently going to dress blues.
Yes
that is what you wear to the ball...
I am guessing around 1900 http://members.tripod.com/~Fbg_mem_museum/uniftalk/unipat2.htm
Yes, you can wear the required Blues uniform of the U.S. Air Force IF you are in a AFJROTC program, CAP (United States Air Force Auxiliary) or in the U.S. Air Force. You may not wear this uniform under any circumstances outside of these programs or service unless required to do so or granted permission by an officer, or unless you take off all insignia that tells you rank, service, name, etc.
Yes, on the Marine Dress Blue "B" uniform.
Service Dress Blues