WASHINGTON — It started with a whisper that hung in the air for three seconds before the National Park Service security guards rushed to intervene. Then came the cough, followed by a child’s giggle, and before the week was out, federal agents were raiding the observation deck for “Acoustic Disloyalty.”

The Washington Monument, which has stood as a 555-foot shaft of granite and marble since the 1880s, is reportedly experiencing an existential crisis that can only be solved by redefining what sounds like patriotic devotion.

“It’s the frequency, sir,” said Dr. Martha Holloway, lead acoustician for the National Park Service’s newly formed Department of Monumental Sonic Compliance. “When you speak in tones above 432 hertz, the marble begins to remember when America was… quieter. More contemplative.”

Under the new Acoustic Citizenship Program, which officially launched Tuesday, all visitors must now pass the “Resonant Loyalty Test” before ascending the 897 steps or boarding the elevator. The test, conducted by a machine that resembles a combination of a microphone and a religious relic, scans your voice for “dissonant historical frequencies.”

“The Monument has a voice, and it is not pleased by modern speech patterns,” Holloway explained between sips of coffee in her trailer parked three blocks from the National Mall. “It remembers when speeches were shorter and hearts were softer. It remembers when the nation didn’t sound like it was trying to explain itself to an algorithm.”

Visitors who fail the test face a $299 fine, which goes into the Monument Restoration Fund. However, many refuse to pay. “I’m not paying to be silenced,” said visitor James McPherson, 47, who stood on the plaza outside the entrance for 47 minutes before an agent approached him. “My grandfather fought in World War II. He wouldn’t have said ‘Hello’ like this.”

“He did not speak like you,” the agent reportedly responded. “He spoke in a more… harmonious register.”

The controversy has escalated rapidly. Last week, a group of tourists attempted to sing the national anthem in the plaza. Within minutes, the NPS declared it an “Acoustic Emergency Zone” and dispatched the Sonic Response Unit, which arrived in armored vehicles carrying “frequency-dampening” equipment.

“They’re not just scanning for volume,” said one agent. “They’re scanning for what you sound like when you speak about the country. If you sound too hopeful, that’s suspicious. If you sound too angry, that’s worse. We’re looking for a certain… melancholy patriotism.”

The program has sparked international concern. The European Union has reportedly threatened to ban American tourists if the U.S. continues to regulate speech frequencies on federal monuments. The UN Human Rights Council has called the program “a violation of the Universal Declaration of… What Exactly?”

Meanwhile, the Monument’s marble itself is allegedly speaking. According to witnesses, it whispers at night. “We’re not sure if it’s the wind,” said park ranger David Chen. “Or if it’s the Monument remembering who it used to be.”

Visitors report strange phenomena. Some say they can hear the echoes of presidents who never spoke in this exact spot. Others claim the marble hums when they think certain thoughts. The NPS is now issuing warnings against “listening too closely.”

“I walked past the Lincoln Memorial last month,” said one tourist who asked to remain anonymous. “I heard the stone itself talking about the Civil War. It said something about… reconciliation. And the security guards took me in.”

The debate over the Acoustic Citizenship Program rages on. Some call it necessary. Others call it madness. But one thing is certain: the Washington Monument is no longer just a monument. It’s a listening device. And it’s not happy with what it’s hearing.

As the sun sets on the National Mall, the marble hums. Visitors hurry past the entrance. The acousticians watch their screens. And somewhere in the stone, a voice whispers.

“Shh,” it says. “We’re talking again.”