Challenge coin

The front of a U.S. Marine Corps birthday ball medallion.

Navy Supply Corps challenge coin (front).

Navy Supply Corps challenge coin (reverse).

A challenge coin is a small coin or medallion (usually military), bearing an organization’s insignia or emblem and carried by the organization’s members. Traditionally, they are given to prove membership when challenged and to enhance morale. In addition, they are also collected by service members. In practice, challenge coins are normally presented by unit commanders in recognition of special achievement by a member of the unit. They are also exchanged in recognition of visits to an organization.

单词	Challenge coins
释义	Challenge coins 原声例句 VOA慢速英语_美国 Wallace described the coin shortage as " at the minimum an inconvenience...at worst... a business challenge" . 华莱士称，硬币短缺轻则给人们带来不便，重则让业务面临挑战。英语百科 Challenge coin A challenge coin is a small coin or medallion (usually military), bearing an organization’s insignia or emblem and carried by the organization’s members. Traditionally, they are given to prove membership when challenged and to enhance morale. In addition, they are also collected by service members. In practice, challenge coins are normally presented by unit commanders in recognition of special achievement by a member of the unit. They are also exchanged in recognition of visits to an organization.
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Challenge coins

Challenge coin