The Housing and Urban Development-Veterans Affairs Supportive Housing (HUD-VASH) program effectively reduces the homeless veteran population. The HUD-VASH program was started in 1992 for homeless veterans with psychiatric and addiction disorders. Through public housing authorities, HUD provides rental assistance vouchers for privately owned housing to veterans who are eligible for Department of Veterans Affairs (VA) health care services and are experiencing homelessness. For each additional voucher offered to a veteran, permanent supportive housing units increased by 0.9, and the number of homeless veterans decreased by one through this program Veterans eligible for HUD-VASH must be . . .