The Syria Intervention:
Red Lines, Betrayal, Forever War
$14.3 billion spent. A red line drawn and erased. A CIA proxy war where US-armed groups fought each other. An air campaign that dropped 34,000+ bombs on ISIS. Kurdish allies who lost 11,000 fighters then were abandoned to Turkey. Trump launched 164 cruise missiles at Assad — who kept using chemical weapons anyway. And ~900 US troops are still there, guarding oil fields, with no mission, no authorization, and no exit. Half a million Syrians dead. Thirteen million displaced. Nobody won.
The Cost: $14.3 Billion and Counting
Syria is the new model of American warfare: relatively cheap in dollars, catastrophic in consequences, and indefinite in duration. No declaration of war, no defined mission, no exit. Just an open-ended commitment justified by a 2001 law passed for an entirely different enemy.
| Category | Amount |
|---|---|
| Operation Inherent Resolve (Syria) | $8.5B |
| CIA Timber Sycamore + DoD Train/Equip | $2.2B |
| SDF Support & Ground Operations | $2.1B |
| Humanitarian Aid | $1.5B |
| Total | $14.3B |
The Human Cost
Half a million dead. Thirteen million displaced. The worst refugee crisis since World War II. And the US contribution — while dwarfed by Assad and Russia — includes its own moral failures.
| Group | Count |
|---|---|
| US Military Deaths | ~20 |
| SDF/Kurdish Fighters Killed | 11,000 |
| ISIS Fighters Killed | 60,000-70,000 |
| Syrian Civilians Killed (total war) | 500,000+ |
| Syrian Refugees | 6.8 Million |
| Internally Displaced | 6.9 Million |
The Players: Everyone Against Everyone
The most complex proxy war of the 21st century. At various points, the US was simultaneously fighting ISIS, supporting Kurds (whom Turkey was fighting), arming rebels (some of whom fought other US-armed rebels), and avoiding Russia (which was bombing US-backed groups). Chaos with a budget.
| Player | Backed By |
|---|---|
| Assad Regime | Russia, Iran, Hezbollah |
| ISIS | Self-funded (oil, looting, taxes) |
| SDF/YPG (Kurds) | United States |
| Turkey | NATO ally (nominal) |
| Free Syrian Army | CIA, Gulf states, Turkey |
| Al-Nusra/HTS | Gulf donors, captured CIA weapons |
| Iran/Hezbollah | Iran |
| Russia | Self |
Timeline: Red Lines to Forever War
Syrian Civil War Begins
Arab Spring protests against Assad met with military force. Peaceful protests become armed rebellion. The conflict fragments: Assad, FSA, jihadists, Kurds, and eventually ISIS all compete for territory.
Obama's Red Line
Obama declares chemical weapons use would be a "red line" changing his "calculus." One of the most consequential off-the-cuff remarks in modern foreign policy — a commitment the US will fail to enforce.
Ghouta Chemical Attack
Assad launches a sarin attack on Ghouta, killing 1,400+. The red line is crossed. Obama prepares strikes — then pivots to Congressional authorization (which he knows he won't get), then accepts Russia's chemical weapons surrender deal. The strike never comes.
Red Line Erased
The failure to enforce the red line becomes defining. Critics argue it destroyed US credibility and emboldened Assad, Russia, and Iran. Assad continues using chemical weapons with impunity. The red line becomes a punchline.
CIA Timber Sycamore
The CIA launches a $1 billion+ covert program to arm "moderate" rebels. Problem: weapons end up with jihadists. Some CIA-armed groups fight DoD-armed groups. A case study in the futility of proxy war.
ISIS Declares Caliphate
ISIS captures Mosul and declares a caliphate spanning Iraq and Syria. Territory the size of the UK, 8 million under its rule. The direct consequence of Iraq War destruction and Syria's power vacuum.
US Begins Bombing Syria
Airstrikes under Operation Inherent Resolve begin. No Congressional authorization. Legal basis: the 2001 AUMF — used to bomb a group that didn't exist in 2001, in a country it never mentioned.
Russia Intervenes
Russia begins airstrikes — ostensibly against ISIS but primarily targeting anti-Assad rebels. Russia saves the Assad regime and becomes the dominant external power. Putin demonstrates power projection while the US dithers.
SDF Partnership & ISIS Campaign
The US partners with Kurdish-led SDF. The SDF does the ground fighting; the US provides airstrikes and advisors. Effective against ISIS — but Turkey considers the YPG a terrorist organization. An impossible contradiction.
Trump Strikes Assad (Round 1)
After Khan Shaykhun chemical attack, Trump launches 59 Tomahawk missiles at a Syrian airbase. The base is operational within hours. Cost: ~$90 million in missiles. Impact: near zero.
Trump Strikes Assad (Round 2)
After Douma chemical attack, US/UK/France launch 105 missiles at Syrian chemical weapons facilities. Assad continues using chemical weapons. Neither strike changes anything.
Turkey Invades, Kurds Abandoned
Trump withdraws from the Turkish border. Turkey invades, attacking SDF/Kurdish forces — America's allies who lost 11,000 fighters defeating ISIS. Kurdish fighters killed, civilians displaced. The betrayal is bipartisan in condemnation and utterly predictable.
Frozen Forever War
~900 US troops remain in eastern Syria, guarding oil fields and maintaining the SDF partnership. Mission undefined. Legal authority questionable. Occasional attacks from Iranian-backed militias. Another forever war with no end state.
Key Figures
Drew a red line, then erased it. Launched the CIA proxy war and anti-ISIS campaign. Avoided the full-scale intervention hawks demanded but created a half-in commitment that satisfied no one.
Struck Assad twice (changed nothing). Ended the CIA rebel program. Betrayed the Kurds by greenlighting Turkey's invasion. Simultaneously maintained troops to "keep the oil" — a remarkably honest statement of imperial resource extraction.
Maintained the ~900 troops with no change in mission, no new authorization, and no exit plan. Ordered retaliatory strikes against Iranian-backed militias. The forever war on autopilot.
Led Kurdish forces that lost 11,000 fighters defeating ISIS for America. Then watched the US abandon his forces to Turkey. The human face of American betrayal. The Kurds have been betrayed by the US in 1975, 1991, and 2019.
Declared the caliphate in 2014. Killed in US raid in 2019. A product of the Iraq War — radicalized in US detention at Camp Bucca. The ultimate blowback.
What We Got
ISIS defeated as a territory. Assad still in power. Chemical weapons still used. Kurds betrayed. 900 troops still there. $14.3 billion spent. Nobody can articulate what victory looks like.
The caliphate was destroyed as a territorial entity by 2019. Genuine achievement. But ISIS persists as an insurgency with 10,000+ fighters in Iraq/Syria.
Assad won. With Russian and Iranian help, he recontrols ~70% of Syria. The regime the US spent billions trying to undermine survived.
Assad used chemical weapons repeatedly after the "red line," after the Russian deal, and after Trump's missile strikes. None of it worked.
The SDF controls northeast Syria — for now. Turkey wants to destroy it. The US provides uncertain protection. One presidential decision could end it.
Iran has a land corridor to the Mediterranean. Russia has permanent bases. Turkey occupies Syrian territory. The region is less stable than before.
No declaration of war. No AUMF for Syria. The 2001 AUMF for 9/11 perpetrators is used to justify bombing a group that didn't exist in 2001.
What $14.3 Billion Could Have Bought Instead
Lasting Consequences
Syria is the war that embodies every failure of post-9/11 American foreign policy: unauthorized force, contradictory objectives, betrayed allies, and indefinite commitment with no definition of victory.
1. The red line that destroyed credibility. Obama's failure to enforce his chemical weapons red line is one of the most consequential moments in 21st-century foreign policy. It signaled to adversaries — Russia, China, Iran, North Korea — that American threats are hollow. Putin intervened in Syria months later, confident the US wouldn't respond. The Crimea annexation followed the same logic. The red line didn't just fail in Syria; it failed globally.
2. CIA vs. Pentagon: funding both sides. The CIA's Timber Sycamore program armed one set of “moderate” rebels. The Pentagon's $500 million train-and-equip program armed another. The two groups fought each other in northern Syria. American taxpayers funded both sides of firefights. It is perhaps the most absurd waste of money in the history of US covert operations — which is saying something.
3. The Kurdish betrayal. The SDF lost 11,000 fighters defeating ISIS on America's behalf. In October 2019, Trump withdrew US forces and greenlighted Turkey's invasion of Kurdish territory. The betrayal was bipartisan in condemnation — and utterly predictable. The Kurds have been betrayed by the US in 1975 (Iraq), 1991 (Iraq again), and 2019 (Syria). As Kissinger explained: “Covert action should not be confused with missionary work.”
4. The forever war template. 900 troops in Syria with no mission, no authorization, no exit plan. They face occasional attacks from Iranian-backed militias. They guard oil fields. They maintain a relationship with the SDF. No one can articulate what victory looks like or when they come home. It is the purest expression of the forever war: not large enough to generate political opposition, not important enough to resolve, and not costly enough (in American lives) to end.
5. The 2001 AUMF as blank check. The legal basis for US operations in Syria is the Authorization for Use of Military Force passed on September 14, 2001 — three days after 9/11, targeting the perpetrators of those attacks. ISIS didn't exist in 2001. Syria wasn't mentioned. Yet this single law has been used to justify military operations in at least 22 countries across 4 administrations. It is the most abused piece of legislation in American history.
Frequently Asked Questions
How much has the US spent on Syria?
Approximately $14.3 billion since 2014: $8.5 billion for the anti-ISIS air campaign, $2.2 billion for train-and-equip programs (including the CIA's $1 billion+ Timber Sycamore), $2.1 billion for SDF support, and $1.5 billion in humanitarian aid. Costs continue with ~900 troops deployed.
Why did Obama not enforce the red line?
After Assad's Ghouta sarin attack (August 2013), Obama prepared strikes but sought Congressional authorization (knowing Congress would reject it), then accepted Russia's chemical weapons surrender deal. Reasons: war-weary public, Congressional opposition, no UN authorization, and the Libya aftermath. The result: a credibility crisis and continued chemical attacks.
What happened to the Syrian Kurds?
The SDF/YPG were America's most effective partner against ISIS, losing 11,000 fighters. In October 2019, Trump withdrew from the Turkish border, enabling Turkey to invade Kurdish-held territory. Fighters killed, 300,000 civilians displaced, ISIS prisoners nearly escaped. A betrayal condemned by both parties — and the third time the US abandoned the Kurds (after 1975 and 1991).
Are US troops still in Syria?
Yes. ~900 troops remain in eastern Syria at al-Tanf garrison and northeast bases. Stated mission: counter-ISIS, protect oil fields, support SDF. Legal authority: the 2001 AUMF for 9/11 perpetrators — used to justify indefinite presence against threats that didn't exist in 2001. No exit strategy exists.
Did CIA and Pentagon rebels fight each other?
Yes. The CIA's Timber Sycamore program armed one set of "moderate" rebels while the Pentagon's train-and-equip program armed another. The two groups clashed in northern Syria. American taxpayers funded both sides of firefights in which no American interest was served. The CIA program was eventually shut down in 2017.
How many people have died in the Syrian war?
Over 500,000 killed since 2011. 6.8 million refugees (world's largest), 6.9 million internally displaced. Half the pre-war population of 22 million displaced. The Assad regime is responsible for the majority of civilian deaths through barrel bombs, siege warfare, and chemical weapons.
Related Pages
Sources
- Department of Defense — Operation Inherent Resolve Cost Reports
- Congressional Research Service — “Armed Conflict in Syria” (2024)
- Syrian Observatory for Human Rights — Casualty Reports
- UNHCR — Syria Refugee Crisis Data
- The New York Times — “CIA Arms for Syrian Rebels” Investigation (2017)
- Inspector General — Operation Inherent Resolve Quarterly Reports
- The Atlantic — “The Obama Doctrine” by Jeffrey Goldberg (2016)