The first test launch of a rocket that is released from a jumbo jet at 35,000 feet and then propels itself into orbit to deploy a satellite failed on Monday, the Virgin Orbit company said. The plane released the rocket cleanly, but the latter developed trouble of unknown origin after igniting its first-stage engine, the company said.

from Times of India https://timesofindia.indiatimes.com/world/us/first-test-launch-of-virgin-orbit-rocket-fails/articleshow/75987618.cms