▁a ▁grave ▁sin ▁and ▁bel ieves ▁the ▁pro l ifer ation ▁of ▁such ▁weapons ▁is ▁sens eless , ▁destruct ive ▁and ▁dangerous ." ▁ ▁U . S . ▁st ance ▁ ▁In ▁ 2 0 0 5 , ▁the ▁United ▁States ▁stated ▁that ▁Iran ▁has ▁viol ated ▁both ▁Article ▁III ▁and ▁Article ▁II ▁of ▁the ▁N PT . ▁The ▁I AE A ▁Board ▁of ▁Govern ors , ▁in ▁a ▁rare ▁divided ▁vote , ▁found ▁Iran ▁in ▁non comp liance ▁with ▁its ▁N PT ▁saf egu ards ▁agreement ▁for ▁a ▁ 1 9 8 5 – 2 0 0 3 ▁" policy ▁of ▁conce al ment " ▁regarding ▁its ▁efforts ▁to ▁develop ▁en rich ment ▁and ▁re processing ▁techn ologies . ▁The ▁United ▁States , ▁the ▁I AE A ▁and ▁others ▁consider ▁these ▁techn ologies ▁to ▁be ▁of ▁particular ▁concern ▁because ▁they ▁can ▁be ▁used ▁to ▁produce ▁f iss ile ▁material ▁for ▁use ▁in ▁nuclear ▁weapons . ▁The ▁United ▁States ▁has ▁argued ▁that ▁Iran ' s ▁conce al ment ▁of ▁efforts ▁to ▁develop ▁sensitive ▁nuclear ▁technology ▁is ▁prima ▁fac ie ▁evidence ▁of ▁Iran ' s ▁intention ▁to ▁develop ▁nuclear ▁weapons , ▁or ▁at ▁a ▁minimum ▁to ▁develop ▁a ▁lat ent ▁nuclear ▁weapons ▁cap ability . ▁O thers ▁have ▁noted ▁that ▁while ▁possession ▁of ▁the ▁technology ▁" cont ributes ▁to ▁the ▁laten cy ▁of ▁non - n uc lear ▁weapon ▁states ▁in ▁their ▁potential ▁to ▁ac quire ▁nuclear ▁weapons " ▁but ▁that ▁such ▁laten cy ▁is ▁not ▁necessarily ▁evidence ▁of ▁intent ▁to ▁proceed ▁toward ▁the