Soldiers at a US military base in Syria. File photoCAiro, Oct 22An unidentified UAV fired missiles at a US military base in the Omar oil field in southeast Syria, Lebanese TV channel al-Mayadeen reported. at the Omar field in the east of Deir ez-Zor province, the extent of the destruction is not yet clear,» the channel said. After that, several explosions thundered at the base. According to the channel, the US military later, in response to the attack, launched artillery strikes on agricultural land in the vicinity of the city of Mayadin. The US armed forces illegally control territories in the north and northeast of Syria — in the provinces of Deir ez- Zor, Al-Hasekeh and Raqqa, where the largest Syrian oil and gas fields are located. Official Damascus has repeatedly called the presence of the US military on its territory an occupation and state piracy with the aim of outright theft of oil. , the source said