Literature Reference: 恺，乐也。航，行船也。—— 《说文解字》 'Kai' means joy, and 'Hang' means sailing a boat. Source from 'Shuowen Jiezi'.
恺: Happiness, harmony; triumph.
航: Aviation, the art and science of aircraft flight.
Meaning: Kaihang symbolizes a joyful journey, representing a smooth and happy life voyage.