Syrian Civil War

The Syrian Civil War, now in its fourteenth year, underwent a dramatic and unexpected resolution in December 2024 when the Assad regime — which had survived a decade of rebellion through Russian and Iranian military support — collapsed in a matter of days. The Hayat Tahrir al-Sham-led Deterrence of Aggression operations, beginning November 27, 2024, swept from Idlib province through Hama and Homs to Damascus in just 11 days, as Syrian Arab Army units dissolved or defected rather than fight. Bashar al-Assad fled to Russia on December 8, 2024, ending 54 years of Assad family rule. The conflict began with the 2011 Arab Spring. Protests demanding political reform were met with deadly force by Assad's security apparatus; by mid-2011 defecting officers formed the Free Syrian Army. By 2013, the conflict had fragmented into dozens of factions: Assad's forces backed by Russia from 2015 and Iran's IRGC/Hezbollah; Islamist groups including HTS (formerly Jabhat al-Nusra, al-Qaeda affiliate); the Islamic State which seized a third of Syria and Iraq; Kurdish YPG/SDF forces backed by the United States; and Turkish-backed factions. The 2015 Russian military intervention with air power, ground advisors, and S-400 systems decisively stabilized Assad's position by 2018. The 2024 collapse reflected years of accumulated Assad regime weaknesses: military manpower shortages, economic catastrophe from sanctions and the 2020 Lebanese banking crisis, Hezbollah's degradation in Lebanon removing key ground combat units, and HTS's decade of military professionalization in Idlib's self-governed enclave.

Syria's collapse created a massive power vacuum with profound regional consequences. Iran has lost its critical "land bridge" — the overland supply route through Iraq and Syria to Hezbollah in Lebanon — fundamentally altering the Axis of Resistance's logistics. Israel launched hundreds of airstrikes in the days following Assad's fall to destroy Syrian Arab Army weapons stockpiles before they could fall to Islamist groups or be transferred — targeting chemical weapons facilities, ballistic missile depots, and air defense systems. The Kurdish SDF controls the oil-rich northeast (70% of Syria's remaining oil production) and hosts approximately 900 US special operations forces. Over 12 million Syrians remain displaced including 6.7 million refugees in Turkey, Lebanon, Jordan, and Europe.

HTS deploys approximately 30,000-40,000 fighters organized into professional military units with Turkish-supplied equipment, captured Assad armor, and sophisticated drone reconnaissance. The Islamic State maintains 10,000-15,000 fighters in Iraqi and Syrian desert regions, conducting guerrilla attacks. SDF controls northeastern Syria with 70,000+ fighters and US air support. Turkish military maintains 12 observation posts and backs multiple northern factions.