 After this period, the names of all the vessels were changed to those of martyrs and cities with the prefix "IRAN".However, since American sanctions (over Iran's support for various groups and nuclear program) have begun to hinder IRISL has taken to quickly renaming its ships under shell companies in order to continue trading in banned goods.The sanctions are removed as a result of JCPOA deal with P5 +1 powers on lifting of nuclear sanctions against Iran, as of Winter 2016.