A group of US Air Force veterans has gone public with their story about how an 'invisible enemy' at the top-secret base Area 51 left them with cancer. The former security guards at the Nevada Test and Training Range (NTTR), a classified site that houses Area 51, have claimed that the US government betrayed them and essentially handed them a death sentence without their knowledge. Making matters worse, the US Department of Veterans Affairs has allegedly refused to cover their medical care because none of the surviving veterans can prove they were exposed to radiation at the secret facility. Read the full story at DailyMail.com. #news #area51 #health #nevada #illness #veterans