The Vector-R P-19H engineering model during an aborted launch in April. The rocket flew what the company said was a successful, but low altitude, test flight May 3. Credit: Vector Updated May 5.

The Vector-R P-19H engineering model during an aborted launch in April. The rocket flew what the company said was a successful, but low altitude, test flight May 3. Credit: Vector WASHINGTON — Vector, ...

A small rocket built to carry especially small payloads into space made its first test flight today (May 3) from Mojave, California. The commercial launch provider Vector Space Systems successfully ...