Believe it or not, that fatty is lying.  The vast majority of US troops are not overweight.  https://www.militarytimes.com/news/your-military/2016/10/09/and-the-fattest-u-s-military-service-is/  The fattest (and least White) service is the Army, with about 11% having a BMI over 25.  Most of those "fat bodies" (which is the term for army's term for fat people) are older black women or Samoan.