Most of my 6 years in the Marines was with c-rats. I still have a P38 on my dog tag chain. The last year I was in was when we were introduced to MREs. We called them “Meals Rejected by Ethioians” back then. They were new, and not particularly well received in my unit. We wanted our c-rats back. I suppose they’ve tweaked and improved the MREs in the past 30 years or so.
They had an episode about MRE’s on “Bizarre Foods with Andrew Zimmern”. That guy wouldn’t eat the stuff.