During the period 26 May – 03 June, 2014 two Improved Orion rockets are planned to be launched from Esrange Space Center. The launches will take place between 06.00 ‑ 16.00 during this period.
Improved Orion is a single-stage rocket. The estimated impact point of the rocket is in the B-zone.
Read more at http://www.sscspace.com/safety
Read about the experiments at SSC campaign page for REXUS 15/16.