The test included the re-creation of in-space flight conditions for the 'space tug' It will be able to deliver a payload of new satellite into orbit from British soil Then when it's in space can be redeployed to move older satellites To a new orbit that could prolong their mission, replace objects or even scrap space junk British firm Skyrora Is a step closer to launching a space tug that could tow satellites into different orbits, replace old satellites and even clean up space junk. The upper stage of the Skyrora XL rocket successfully completed a crucial static fire test at the engine development complex in Fife, Scotland just before Christmas.