On the twenty-fifth anniversary of September 11, here is where the Transportation Security Administration stands on airport security innovation: they are thinking about maybe allowing some pre-screened travelers to carry a sealed water bottle through a checkpoint. At some airports. Eventually.

Twenty-five years and a quarter-trillion dollars in cumulative budget later, and Dasani is still a national security question mark.

Senior administration officials confirmed the TSA is "actively considering allowing TSA PreCheck passengers to bring water bottles through security checkpoints at a select number of airports in the coming months."

The proposal would require advanced CT screening technology capable of distinguishing water from other liquids through automated detection. The TSA concedes it does not currently have this technology deployed at the scale needed for a nationwide rollout. The agency also lacks the funding to acquire it.

So the federal government built an entire security apparatus after 2001, hired tens of thousands of agents, installed body scanners and explosive-detection machines, launched a biometric pre-screening program — and still cannot reliably tell the difference between Poland Spring and a threat. The technology exists. The money does not. That is the state of the art at the agency responsible for securing American air travel.

The current 3-1-1 rule limits every carry-on liquid container to 3.4 ounces. That rule has forced millions of travelers to dump sealed bottles into garbage cans before checkpoint lines for a generation. TSA PreCheck members — who already pay $85 for a five-year membership, submit to background checks, and provide fingerprints — would be the only ones eligible for the water bottle exception. Everyone else keeps pouring out their Aquafina like it's contraband.

The TSA recently launched something called the Gateside by TSA program at 13 airports, allowing PreCheck members access without airline tickets. Now they are layering a potential water bottle allowance on top of it. The result, as one traveler put it online, will be "a new level of confusion" — one set of rules at airports with the new scanners, another set everywhere else, PreCheck members guessing whether their home airport participates, and TSA agents fielding questions they cannot answer.

The objection from security hawks writes itself: any relaxation of liquid rules creates a vulnerability. But the TSA's own framework answers that. PreCheck members are pre-vetted, background-checked, fingerprinted citizens. The CT scanners that would enable the change can identify threat liquids automatically. The agency is not proposing to hand an unknown passenger an exemption — it is proposing to stop treating verified Americans like suspects over a bottle of water, but only at locations where the machines can back it up. The vulnerability is not in the proposal. The vulnerability is that we are twenty-five years into this and the machines still are not in place.

This is what security theater looks like when the curtain finally starts to rise. Not a dramatic reform. Not a rethinking of a system that treats every grandmother's shampoo bottle as a potential weapon. Just a narrow, tentative, underfunded pilot program to let the government's own pre-approved travelers carry water. The TSA was created in November 2001 as a direct response to the deadliest terrorist attack on American soil. A quarter century later, it has a $11 billion annual budget, over 60,000 employees, and a rule about toothpaste tubes.

The water bottle will probably make it through eventually. The question nobody at TSA seems interested in answering is why it took until 2026 to even start the conversation.