50%+
The percentage of cases in which PTSD "co-occurs with mood, anxiety, or substance-use disorders," according to a statistic cited in a recent review article in the New England Journal of Medicine -- Post-Traumatic Stress Disorder. This relatively short but comprehensive article is well worth a look
8.1%
The percentage of U.S. male Veterans with sleep apnea in 2014, according to a new article in the Centers for Disease Control and Prevention journal, preventing Chronic Disease -- Prevalence and Correlates of Sleep Apnea Among US Male Veterans, 2005–2014. This is significant increase from a prevalence of 3.7% in 2005.
4.3 % and 0.6 %
The percentages, respectively, of female and male Service members who said they had experienced sexual assault in the year prior to the 2016 "force-wide survey," according to the recently released FY 2016 Annual Report on Sexual Assault in the Military.
82,708
The number of Americans "missing from World War II, the Korean War, the Cold War, Vietnam, and the Iraq and other conflicts," according to a new report from the Congressional Research Service (CRS) -- American War and Military Operations Casualties: Lists and Statistics. The Defense Prisoner of War and Missing in Action Accounting Agency has a list of those who have been “Recently Accounted For."
4 to 1
The ratio of enlisted personnel to officers in the Air Force, according to Population Representation in the Military Services 2015, the latest version of the annual report from the Office of the Under Secretary of Defense, Personnel and Readiness, prepared by CNA. This is the highest ratio of all the Service branches; the Marine Corps has the lowest enlisted/officer ratio, at 8.8 enlisted personnel to every officer.