▁requirements ▁are ▁not ▁im posed ▁on , ▁for ▁example , ▁Brazil , ▁which ▁has ▁been ▁developing ▁its ▁nuclear ▁power ▁industry ▁and ▁nuclear ▁fuel ▁cycle , ▁including ▁u ran ium ▁en rich ment ." ▁ ▁On ▁ 5 ▁December ▁ 2 0 0 7 ▁Russian ▁Foreign ▁Minister ▁Serge y ▁Lav rov ▁said ▁he ▁had ▁seen ▁no ▁evidence ▁of ▁any ▁nuclear ▁weapons ▁program ▁in ▁Iran , ▁no ▁matter ▁how ▁old . ▁On ▁ 1 6 ▁October ▁ 2 0 0 7 ▁Vladimir ▁Put in ▁visited ▁Te h ran , ▁Iran ▁to ▁particip ate ▁in ▁the ▁Second ▁C asp ian ▁Sum mit , ▁where ▁he ▁met ▁with ▁Iran ian ▁leader ▁Mah m oud ▁A hm ad ine j ad . ▁At ▁a ▁press ▁conference ▁after ▁the ▁sum mit ▁Put in ▁said ▁that ▁" I ran ▁has ▁the ▁right ▁to ▁develop ▁their ▁peace ful ▁nuclear ▁programs ▁without ▁any ▁restrictions ". ▁ ▁In ▁ 2 0 0 9 , ▁Russian ▁Major - General ▁P avel ▁S . ▁Z ol ot are v ▁argued ▁Iran ' s ▁security ▁could ▁be ▁partially ▁be ▁assured ▁by ▁supp lying ▁Iran ▁with ▁modern ▁miss ile ▁and ▁air ▁defense ▁systems ▁and ▁offering ▁for ▁Iran ▁to ▁take ▁part ▁in ▁the ▁work ▁of ▁one ▁of ▁the ▁data ▁exchange ▁cent ers ▁in ▁exchange ▁for ▁" con crete ▁non - pro l ifer ation ▁oblig ations ". ▁ ▁In ▁May ▁ 2 0 0 9 , ▁the ▁East West ▁Institute ▁released ▁a ▁joint ▁U . S .- Russ ian ▁Th re at ▁Ass ess ment ▁on ▁Iran '