Literature Reference: 全兵值月满，精骑乘胶折。—— 《相和歌辞 从军行二首 一》 With full strength under the full moon, elite cavalry rides through the frozen land. Source from 'Congjun Xing'.
精: The finest part of a person or thing, such as the elite or the essence.
骑: Horseback riding. Mounted archery.
Meaning: Elite cavalry symbolizes bravery, swiftness, and formidable strength.