How are the drones that attacked the refinery in Saudi Arabia?

The 10 drones of Yemen targeted by the heart attack of one of the largest refineries in Saudi Arabia are called "Qasef K2".

These drones have an estimated cost of $ 15,000 each and, despite the military, a financial power and a budget of nearly $ 70 billion for Defense (the third highest budget in the world), the Saudi monarchy He could not stop them.

Farea al-Muslimi, co-founder of the Strategic Studies Center in Sanaa (capital of Yemen), told the New York Times that this event showed "how inexpensive it has been to conduct such high level attacks".

In addition, drones are not imports from other countries but are made in Yemen.

This is not the first time that the Yemeni army perpetuates an attack against Saudi Arabia and its allies through its technological development. Its drones and ballistic missiles have already attacked various military objectives and strategic centers in recent months.