The Efficient Engineer. Building a Satellite - From Concept to Orbit. Posted: June 9, 2025 | Last updated: June 13, 2025. Launching a satellite isn’t just for space agencies anymore.

China is secretly building a military command center that is expected to dwarf the Pentagon in size. Satellite images showed the rapid construction of the 1,500-acre site located southwest of Beijing.

The Pentagon, currently the world’s largest office building, covers around 148 acres. In comparison, Beijing Military City stretches nearly 10 times that size, sparking global concern over China ...

The McLean, Va.-based company has signed a deal to extend its lease at 111 N. Canal St. and reduce its footprint in the building by about 22% to 119,000 square feet, an Intelsat spokeswoman confirmed.