NICER

2013-04-08
Neutron Star Interior Composition Explorer 
will be launched in 2017.

 NASA's Astrophysics Explorer Program has selected two missions for launch in 2017: a planet-hunting satellite and an International Space Station instrument to observe X-rays from stars.

PI is
Keith Gendreau

http://heasarc.gsfc.nasa.gov/docs/nicer/nicer_about.html

was successfully installed on the ISS
https://www.nasa.gov/nicer