1) One who contradicts 2) One with contrary info
Found on
https://www.crosswordclues.com/clue/belier
Belier is the designation of a single-step French elevator research rocket, which in three versions between 1961 and 1970 by Hammaguir, Salto di Quirra, Ile you Levant and Kourou was started. The Belier was used also as upper stage of other French elevator research rockets. ==Belier I == ==Belier II== ...
Found on
http://en.wikipedia.org/wiki/Belier
The Sud-Aviation Belier was a series of French single-stage upper atmosphere research rockets of the 1960's. The Belier III was about 5 metres long, depending upon its payload, 30 cm in diameter and flew at a speed of 1540 meters/second to a height of 130 km with a 30 kg payload or 75 km when carrying a 90 kg payload.
Found on
http://www.probertencyclopaedia.com/browse/IB.HTM
No exact match found.
