... Credit Copyright: STS-106 Crew , NASA Explanation: Last Monday the crew of Space Shuttle Atlantis took in this view as they approached the developing International Space Station (ISS). From top to bottom, the astronauts saw a station currently consisting of the Progress supply module, the Zvezda service module , the Zarya cargo module , and the Unity connecting module . ... NASA Official: Jay Norris. ... Publications with keywords: international space station - space shuttle - space station . ...