The unmanned Spectrum rocket, an orbital rocket developed by German start-up Isar Aerospace, crashed and exploded 40 seconds after takeoff.

Isar Aerospace, which had warned that the initial launch could end prematurely, said the test produced extensive data that its team can learn from.

A German start-up’s orbital rocket spun out and crashed seconds after take-off Sunday, in a rare European test flight that the makers said “met its set goals.”