The Coast Guard Good Conduct Medal was designed in 1923 and originally
used enlistment bars as attachments. In 1966, the Coast Guard began using
bronze and silver 3/16-inch service stars to denote additional awards
of the Coast Guard Good Conduct Medal.The criteria for a Good Conduct Medal are defined by Executive Orders
8809, 9323, and 10444. The Good Conduct Medal, each one specific to one
of the five branches of the U.S. Armed Forces, is currently awarded to
any active duty enlisted member of the United States military who
completes three consecutive years of "honorable and faithful service".
Such service implies that a standard enlistment was completed without
any non-judicial punishment, disciplinary infractions, or court martial
offenses. If a service member commits an offense, the three-year mark
"resets" and a service member must perform an additional three years of
service without having to be disciplined, before the Good Conduct may be
During times of war, the Good Conduct Medal may be awarded for one
year of faithful service. The Good Conduct Medal may also be awarded
posthumously, to any service member killed in the line of duty.