International Space Station Russian space station called OPSEK. The ISS is the ninth space station to be inhabited by crews, following the Soviet and later Russian "Salyut", "Almaz", and "Mir" stations as well as "Skylab" from the US. The station has been continuously occupied for since the arrival of Expedition 1 on 2 November 2000. This is the longest continuous human presence in low Earth orbit, having surpassed the previous record of held by "Mir". It has been visited by astronauts, cosmonauts and space tourists from 17 different nations. After the American Space Shuttle programme ended in 2011, Soyuz rockets became the only
Operationally Responsive Space Office Station in Florida. A Orbital ATK Minotaur IV rocket lifted SensorSat into low Earth orbit. A second Orion (rocket stage) was used to push SensorSat into equatorial orbit. Its mission is situational awareness, to scan the geosynchronous belt for any new geosynchronous satellites, as well as for space junk that may threaten existing geosynchronous satellites. Operationally Responsive Space Office The Operationally Responsive Space Office (ORS Office) is a joint initiative of several agencies within the United States Department of Defense (DoD). The "stand up" of the office took place 21 May 2007 at Kirtland Air Force Base. The first director