Percentage of Veteran Households that Experienced Severe Housing Cost Burden by Period of Service and Income Category, 2011 OEF/OIF/OND* Earlier CohortELI (0-30% AMI) 87 70VLI (31-50% AMI) 42 29LI (51-80% AMI) 12 12 *OEF/OIF/OND (Operation Enduring Freedom/Operation Iraqi Freedom/Operation New Dawn) refers to the nearly 2 million service men and women who were deployed abroad after September 11, 2001.Source: Arnold, A, Bolton, M. & Crowley, S. (November 2013). Housing Instability among Our Nation’s Veterans. Washington DC: National Low Income Housing Coalition. Retrieved from www.nlihc.org/veterans.