It is not easy to construct satellites. They are extremely sophisticated, packed with cutting-edge technology, and must function in the harsh environment of space for many years while providing critical services. The cost of building a satellite today is very high; it requires special equipment, highly trained personnel, and extensive testing before it can be sent into orbit. The story of how we got to the point where humans walk on other planets is one of innovation, determination, and teamwork. It has been an incredible journey that has allowed us to expand our knowledge about our world and ourselves. I believe that this future will be even more exciting than what we have today, and I'm looking forward to being a part of it.