Though space shot failed to reach orbit, Paris says ballistic program hurts regional stability and affects European security

Tehran says device intended to collect imagery for civilian 'peaceful' needs, will be operational for 18 months

Photos show increased spaceport activity ahead of 1979 Islamic Revolution anniversary, when Tehran usually unveils tech achievements

The Zafars will monitor natural resources and the environment, state media says; Western nations fear Tehran's space program could be used to develop long-range missiles

State TV quotes official saying orbital craft will be used to send data for civilian purposes; US alleges the launches violate UN ban on testing nuclear-capable ballistic missiles

Washington accuses Tehran's space program of developing ballistic missiles under the cover of a civilian-led effort to launch satellites into orbit

Asked if he released classified information, US president says he had 'the absolute right' to post image on Twitter

Increased activity spotted at space center; Islamic Republic failed to send satellites into orbit in January and February