A general must retire after 40 years of service unless they are reappointed to serve longer
From policy issuance to claims, you can count on us for keeping it simple. We have always gone the extra mile to make things clear, right from pre-sales to claims support. The Secretariat of the United Nations – the Secretary-General and his staff of international civil servants. Otherwise all general officers must retire the month after their 64th birthday. However, the Secretary of Defense can defer a general's retirement until the officer's 66th birthday and the President can defer it until the officer's 68th birthday. To retire at four-star grade, an officer must accumulate at least three years of satisfactory active duty service in that grade, as certified by the Secretary of Defense.