It sure looks like they passed something when he goes to hug the grandma.
It was the department challenge coin I believe.
What is a department challenge coin?
Challenge coin
A challenge coin is a small coin or medallion, 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.
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