The approximate portion of military suicides that involve firearms, according to a recent article in the journal JAMA Network Open -- Evaluation of Safe Firearm Storage Messaging in a Sample of Firearm-Owning US Military Service Members.
The number of firearm suicides in 2021, according to a recent article in the CDC's Morbidity and Mortality Weekly Report (MMWR) - Notes from the Field: Increases in Firearm Homicide and Suicide Rates — United States, 2020–2021.
The percentage increase in "drug overdose mortality rates" for U.S. military veterans from 2010-2019, according to an article published online earlier this year by the journal Annals of Medicine -- U.S. Military veterans and the opioid overdose crisis: a review of risk factors and prevention efforts.
The number of military veterans in the U.S. as of 2021, according to a Facts for Features publication from the U.S. Census Bureau -- Veterans Day 2022: November 11.
519
Number of service members who died by suicide in the 2021 calendar year. The number includes 328 active duty service members, 74 reservists, and 117 members of the National Guard. These number and the graphic below (click on it for a larger version) come from the "Department of Defense Annual Report on Suicide in the Military: Calendar Year 2021