“A bit” is what United States President Donald Trump thinks about the scale of Russia’s military aid to Iran.Moscow “might be helping them a bit”, he told Fox News on March 13.A day later, Iran’s Foreign Minister Abbas Araghchi stated laconically that Moscow’s military cooperation with Tehran was “good”.His words seemed to confirm earlier media reports that Russia is providing Iran with satellite and intelligence data on the locations of US warships and aircraft.It may not sound like much, given the superiority of Western military satellites and Russia’s battlefield losses and communication problems after Elon Musk’s SpaceX company switched off smuggled Starlink satellite Internet terminals.But data on US military assets Iran is receiving most likely comes from Liana, Moscow’s only fully functional system of spy satellites, according to an expert on Russia’s space programme and military.“The [Liana] system has been created to spy on US carrier strike groups and other navy forces and for identifying them as targets,” Pavel Luzin, a senior fellow at the Jamestown Foundation, a US think tank, told Al Jazeera.Eyes in the skyRussia also played a key role in the development of Iran’s space programme and its key satellite, the Khayyam.Launched in 2022 from Russia’s Baikonur cosmodrome, the 650kg (1,430 pound) satellite orbits the Earth at 500 kilometres (310 miles) and has a resolution of one metre (3.3 feet).Moscow “can, in theory, receive and p …