He is a Vietnam Era Veteran.
You are a Vietnam Era Veteran but not a Vietnam War Veteran
am I considered a veteran if I have a dishonorable discharge
Anyone wearing a US military uniform and performing honorable service is a veteran
The soldier who fought in Iraq was considered a Veteran.
You are considered prior service but not a veteran.
No. My brother for example is Hatian and he is a veteran
Yes, if you served, you are a veteran.
18 USC § 922(d)(6)
when the veteran feels he or she has been unjustly denied benefits
See employment data: US Veteran's Administration (US Veteran's Affairs).
In the context of the Korean War or any other military conflict, a "veteran" is any person who has gone into combat and then returned, whether with wounds to show for it or unharmed. In other words, someone who has experienced war personally through military service during an actual conflict is considered to be a true "veteran".