I don't recall an EKG, but we did get a fairly thorough physical at Devens prior to going down to Natick.

The concept was a one-pound, one-a-day ration that you could carry for a 30-day mission. So, your food weight would only be 30lbs, far less than the equivalent 90 MREs (3x30). The drawback was that it only had about 2,100 calories per day, compared to the 3,600 you would get from 3 MREs. The test pa...

I have one of these. I was in the control group eating mres on the test at Camp Ethan Allen conducted by Natick Labs. At the end of the test, they gave us a souvenir. Somewhere I had a group photo of the test particpants, also a photo of me coming out of the dunk tank (for measuring body fat %). rlw...