if you have any information that can help show you were part of them  including whether you may have been part of them or contact the Department of Defense at 800 - 497 - 6261 .
How do I get benefits?
You ll need to file a claim for disability compensation . You can call the VA Special Issues Helpline at 800 - 749 - 8387 . Or you can file a claim online .
How can I find out about a certain test site, ship or unit?