Marine Corps Lance Cpl. Jorge Castrosamaniego near the At Tanf garrison in Syria on September 9. U.S. Marine Corps photo by Cpl. Roderick Jacquote

Following a show of force by the US Marine Corps in Syria, Russia has backed off its earlier threats to conduct operations inside the deconfliction zone, an area of strategic significance for the Russians, the Syrians, and the Iranians.

The Russians appear to have backed off their earlier threats after the US Marine Corps sent them a clear message.

The Pentagon, US Central Command, and Operation Inherent Resolve have all confirmed that Russia has stayed out of the deconfliction zone and is no longer insisting on conducting operations or launching precision strikes in the area near the At Tanf garrison, where US Marines are based.

Russia warned the US twice on September 1 and again on September 6 that the Russian military, together with Syrian and pro-regime forces, planned to carry out counterterrorism operations inside the 55-kilometer deconfliction zone. It accused the US and its coalition partners of harboring terrorists.

Immediately following Russia's threats, the US Marine Corps conducted a live-fire demonstration at the At Tanf garrison to drive home the point that the US military did not need Russia's help eliminating terrorists.

"The United States does not seek to fight the Russians, the government of Syria, or any groups that may be providing support to Syria in the Syrian civil war," the US Central Command spokesman Lt. Col. Earl Brown previously told Business Insider, adding: "The United States will not hesitate to use necessary and proportionate force to defend US, coalition, or partner forces as we have clearly demonstrated in past instances."

"The US does not require any assistance in our efforts to destroy ISIS in the At Tanf deconfliction zone, and we advised the Russians to remain clear," he added.

In the nearly two weeks since, the Russians have not contacted the US military about operations inside the deconfliction zone, an area the Syrians and the Russians want to access to build a strategic land bridge between Tehran and Damascus.

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