In the past, before the emergence of private space companies, the space industry was dominated by national space agencies across the globe. Currently, with the advent of new space players, the dynamics in the space industry have transformed. Moreover, it is observed that space agencies and private space companies are working with each other to further their objectives with respect to the space industry. The advantages of space systems for mobile satellite communications, broadcasting, high-speed data transfer, and commercial navigation are being recognized today by commercial businesses. Furthermore, there are numerous potential opportunities offered by emerging space activities such as in-space manufacturing, asteroid mining, and space-based solar power. These space activities are gathering significant interest from the private sector. Space transportation includes sub-orbital flights or transportation, orbital transportation, and beyond orbital transportation, which includes planetar...