Innovation Successful Launch of NTNU Rocket in Portugal On Friday, October 13, NTNU Propulse conducted a successful launch of the Bifrost rocket in Portugal. The rocket reached an altitude of 1000 meters, and this launch was part of the European Rocketry Challenge – EuRoC in Portugal. Innovation – This is our next step towards space On Thursday, September 28th, the rocket Bifrost was unveiled. In October, it is scheduled for launch in Portugal.