Final answer:
The wreath under the eagle on the Air Force Seal is made up of oak leaves, symbolizing victory and strength. Laurel leaves have traditionally been used to crown victorious athletes.
Step-by-step explanation:
The wreath under the eagle on the Air Force Seal is made up of oak leaves. Oak leaves, along with laurel leaves, have long been associated with victory. In the case of the Air Force Seal, oak leaves symbolize victory and strength. Laurel leaves, on the other hand, have traditionally been used to crown victorious athletes, symbolizing their achievement.