Iran remains 'obsessed' with building nuclear deterrent despite damage incurred from U.S. strikes last month, but suggests its still open to negotiation in a move that one expert warns is a ploy to buy time.

We’re thinking probably closer to two years — like degraded their program by two years,” Pentagon spokesperson Sean Parnell said Wednesday.

Iran is assessing the damage and lashing out over the American and Israeli airstrikes that damaged its nuclear sites.