- Science Blog
- By Tudor Vieru
- July 14th, 2012
![SLS Test Sees Thruster Burning for 550 Seconds [Video]](https://news-cdn.softpedia.com/images/news2/SLS-Test-Sees-Thruster-Burning-for-550-Seconds-Video-1.jpg "SLS Test Sees Thruster Burning for 550 Seconds [Video]")
SLS Test Sees Thruster Burning for 550 Seconds [Video]
The motor will go on NASA's next-generation delivery system
- Space
- By Tudor Vieru
- November 10th, 2011
Development of SLS Upper Stage Reaches New Milestone
Its J-2X engines have been successfully tested at Stennis