By May 2015, NICER was on track for a 2016 launch, having passed its critical design review and resolved an issue with the power being supplied by the ISS.
Following the CRS-7 loss in June 2015, which delayed future missions by several months, NICER was finally launched on 3 June 2017, with the SpaceX CRS-11 ISS resupply mission aboard a Falcon 9 v1.2 rocket.
By May 2015, NICER was on track for a 2016 launch, having passed its critical design review and resolved an issue with the power being supplied by the ISS. Following the CRS-7 loss in June 2015, which delayed future missions by several months, NICER was finally launched on 3 June 2017, with the SpaceX CRS-11 ISS resupply mission aboard a Falcon 9 v1.2 rocket.
Neutron Star Interior Composition Explorer