\<COLOUR 1> NO OF STAGES: \<COLOUR 0> Ariane 2, 3 stages; Ariane 3, 3 stages plus two strap-on boosters
\<COLOUR 1> PROPELLANTS: \<COLOUR 0> First and second stages, UH25 (UDMH and hydrazine hydrate mixture)/nitrogen tetroxide; third stage, liquid hydrogen/liquid oxygen; boosters (Ariane 3), solid
\<COLOUR 1> LAUNCH SITE: \<COLOUR 0> Kourou Space Centre, French Guiana, South America
\<COLOUR 1> COUNTRY: \<COLOUR 0> Europe
\<COLOUR 1> COMMENTS: \<COLOUR 0> Powerful launch vehicles developed from Ariane 1; Ariane 3, same as Ariane 2 but with two strap-on boosters developing 67 tonnes each, makes its first flight (carrying ECS-2) on August 4, 1984; Ariane 2 first flies (carrying TV-Sat 1) on November 21, 1987.