Eligibility for award, commencing with the period after 31 December 1960, was established by DOD Directive 1348.7, dated 1 April 1966, and terminated effective 15 August 1974, per letter from Manpower and Reserve Affairs, subject: Termination of Eligibility for the National Defense Service Medal, dated 30 June 1974.
If you are single and under age 65, you can earn up to $9,499 in a year and not file a tax return. Should you be 65 or older, you could earn up to $10,949 and be exempt from filing a federal tax return. However, you may qualify for an Earned Income Tax Credit, which is refundable in cash to you.
1. Filed for benefits before FRA: If you file for Social Security benefits before reaching your FRA, the SSA limits your full-year earnings ability to $15,720 as of 2016. This works out to $1,310 per month. This is the amount the SSA says is OK to earn without it adversely impacting your benefits.