Is the International Space Station Actually a Good Investment?
NASA outlines cost savings from ISS transition - SpaceNews
How the most expensive structure in the world was built - BBC Future
Ask Us: How much did it cost to build the International Space Station? - al.com
NASA evaluating private space station proposals for ISS replacement
SpaceX launch: Tourism mission docks with the ISS. Here's everything you need to know | CNN Business
Why the International Space Station orbits at 400 kilometers in space? - Veto.be
Here's How Much It Will Cost to Visit the International Space Station – Robb Report
NASA Looks to Private Sector for Successor to the International Space Station | Wilson Center
Pricing Policy | NASA
Is The International Space Station The Most Expensive Single Item Ever Built? | Science 2.0
Here's What a $52 Million Ticket to the ISS Will Get You | WIRED
Want to Buy a Ticket to the Space Station? NASA Says Soon You Can - The New York Times
NASA increases prices for ISS private astronaut missions - SpaceNews
There Are 2 Seats Left for This Trip to the International Space Station - The New York Times
International Space Station programme - Wikipedia
Pricing Policy | NASA
SpaceX crew carrying first paying visitors at the cost of $55M per person docks at space station | Daily Mail Online
How much does it cost per day to sustain a human on the ISS? - Quora
What is the estimated cost of the International Space Station (ISS)? - Quora
Tourist cost to visit International Space Station with SpaceX is $52M
International Space Station: Facts about the orbital lab | Space
International Space Station | Facts, Missions, & History | Britannica
