The "Revolutionary Commando Army" is a volunteer Syrian military force working against the Syrian regime.
This force is trained and equipped by the US, their main training base sits at the Al-Tanaf base.

It now turns out that there is a project being planned that is supposed to support this military force.

According to the source it will be supported by Saudi Arabia with the aim of expanding the deployment areas of this military force in areas where US forces are located in northeastern Syria.

Source: Abu Salah - Telegram