The Soumar (Persian: سومار) is an Iranian long-range cruise missile. The missile was named in the honour of a city called Soumar, whose inhabitants were all killed when Saddam's regime attacked the city with chemical weapons. It is highly likely that the missile is derived from the Russian Kh-55, several of which were illegally sold to Iran by Ukraine in 2005. According to Jonathan Ruhe and Blake Fleisher from the Gemunder Center for Defense and Strategy, nuclear capable cruise missiles, such as the Soumar, were overlooked in the Joint Comprehensive Plan of Action (JCPOA) on Iran's nuclear program and UN Security Council Resolution 2231.
On September 9, 2012, Iranian media quoted Iran's deputy defense minister that a medium-range cruise missile called Meshkat will be revealed soon. He mentioned that the missile can be fired from ground, air and sea and will have a range of 2000 km. However the unveiling did not happen until 2015.
On 2015 a long-range cruise missile was revealed under the name "Soumar". The design closely resembles the Kh-55 that Iran acquired from Ukraine in 2001. Because of the similarities media guess a range between 2000 and 3000 km for it.