The morning sky over Lower Manhattan was a flawless, crystalline blue, a shade so pure it seemed almost sacrilege to violate it. Bill McMahon, a regional director for Morgan Stanley Dean Witter, had taken the train in from New Jersey, remarking to himself on the beauty of the day as he walked from Exchange Place. It was Tuesday, September 11, 2001, the first day back after the Labor Day weekend.
He had breakfast with his team on the 44th-floor sky lobby before ascending to his office on the 69th floor of the South Tower, the second of the Twin Towers to be struck. Nothing in the routine of that morning suggested the cataclysm that was about to unfold, a day that would forever etch itself into the American psyche and test the limits of human endurance and heroism.
McMahon’s first inkling of trouble was not a sound or an announcement, but a visual anomaly so bizarre it defied immediate comprehension. He was on a call with a colleague, John Marshall, when he saw objects drifting past his narrow window. “I saw things going by my window that were on fire,” he recalls.
“Now, I’d seen helicopters and I’d seen all kinds of things go by my window, but I’d never seen anything on fire.” He quickly ended the call and walked to the office of John Olson, the other regional director, whose vantage point was closer to One World Trade Center. They strained to look upward, but the building’s design and the falling debris made it impossible to see the source of the chaos.
They were, at that moment, completely blind to the fact that a hijacked airliner had just slammed into the North Tower, a mere seventeen minutes earlier.
The atmosphere on the 69th floor was one of confusion, not panic. There were no alarms, no public address announcements instructing them on what to do. The only evidence of a major incident was the steady stream of fiery wreckage cascading past their windows.
The group of senior managers and assistants gathered, murmuring about the unknown, trying to piece together a coherent picture from the fragments of information they had. They decided to move towards the stairwell, a decision that was more precautionary than urgent. As they did, McMahon noticed that one of their assistants, Patty Monocino, was missing.
He went back to find her on the phone with her daughter, trying to get news. “Look, you got to get your tennis shoes on,” he told her, “because we’re going to go down the stairwell and we got to go.”
The descent began with a sense of orderly, if uncertain, purpose. The stairwell was well-lit, a detail that would prove crucial and was a direct result of the foresight of one man: Rick Rescorla, the head of security for Morgan Stanley at the World Trade Center. Rescorla, a decorated Vietnam War veteran, had long believed that the towers were a prime target for a terrorist attack, a conviction born from his experience during the 1993 bombing.
He had drilled the employees relentlessly, conducting quarterly fire drills and, twice a year, making them walk the entire descent to the 44th floor. He had also successfully lobbied the Port Authority to put the stairwell lighting on a separate circuit from the general power, a decision that would save countless lives by preventing the stairwells from plunging into darkness.
As they walked down, the conversations among the evacuees were muted and speculative. “What’s going on?” people asked each other.
“I don’t know,” was the common reply. Cell phones were not the smartphones of today; they were simple devices, and the news they provided was fragmented and often wrong. The prevailing theory was that a small plane had accidentally struck the North Tower.
It was a bizarre thought, but it was more palatable than the terrifying alternative. They continued their descent, a river of humanity flowing down the concrete arteries of the building, unaware that a second plane, United Airlines Flight 175, was barreling through the sky towards them at over 500 miles per hour.
By the time they reached the 44th floor sky lobby, the reality of the situation was beginning to crystallize. Large television screens were mounted in the expansive lobby, and CNN was broadcasting footage of the North Tower burning, with smoke billowing into the pristine sky. The news confirmed that a plane had hit One World Trade, but the cause was still unknown.
It was at this critical juncture that a Port Authority official made a fateful announcement: “Don’t leave the building.” The reasoning was that debris falling from the North Tower was raining down on the plaza, injuring people below. They were told to stay put.
For two or three minutes, the group of roughly fifty to seventy people stood in the sky lobby, watching the horrific images on the screen, waiting for guidance.
Then, at 9:03 a. m. , the world exploded.
The impact of Flight 175 into the South Tower was a physical sensation that McMahon can still feel. The building lurched violently, swaying dramatically from the force of the impact. The massive elevator doors, which were twelve to fifteen feet high, blew off their hinges with a deafening roar as the jet fuel from the plane surged down the elevator shafts.
The explosion of air and debris knocked everyone to the floor. Smoke, dust, and the acrid smell of jet fuel filled the sky lobby. For a moment, there was a deafening silence, a vacuum of sound after the initial blast.
Then, something remarkable happened. “You could hear a pin drop,” McMahon says. “People just stood up, looked around at each other, and started walking towards the stairwell.
Nobody shoved anybody out of the way. Nobody was crying. Nobody was screaming.
We just walked to the stairwell.”
This eerie calm, this collective decision to move without panic, was a testament to the human spirit and the training they had received. Rescorla’s drills had instilled in them a muscle memory, a path of action that bypassed the paralysis of fear. They knew where the stairwells were, and they knew they had to get out.
The sky lobby was not packed with hundreds of people; it was a smaller group, which meant there was no bottleneck at the entrance to the stairs. They filed in, a determined and quiet procession, leaving behind the wreckage and the smoke of the impact zone. The building was now critically wounded, burning fiercely above them, but their focus was singular: get down.
The descent from the 44th floor was markedly different from the earlier part of the journey. The air in the stairwell, while not thick with smoke, carried the unmistakable stench of burning jet fuel and other unidentifiable materials. They encountered people who had been injured in the impact, bloodied and shaken, but still moving, still determined to escape.
The pace was steady, dictated by the person in front of them. There was no room for sprinting, but there was also no stopping. The stairwell was a conduit of survival, carrying them down past floors that were now scenes of unimaginable horror and destruction.
They did not know that the North Tower had just collapsed, that the world outside was changing in ways they could not yet comprehend. They just kept walking.
When they finally reached the mezzanine level, the scene was one of surreal devastation. The front of the building, facing east, had been blown out by the force of the plane’s impact and the subsequent explosion. McMahon saw a jet engine lying on the floor, surrounded by smoldering debris.
He did not see any bodies, but the evidence of catastrophic destruction was everywhere. They were guided down another level, underneath the wreckage, and out towards Five World Trade. As they emerged from the building, McMahon turned around and looked back up at the tower he had just escaped.
“It was almost like I’d stepped into a Steven Spielberg movie,” he says. The smoke was pouring from the massive gash in the building’s side, contrasting starkly against the perfect blue sky. The air was filled with the cacophony of sirens as police and firemen, the first responders, ran towards the burning building, a sight that still breaks his heart because he knows so many of them never came back.
In the chaos of the street, a man grabbed him from behind. “Oh my god, you’re alive,” the man said. He was an FBI agent who worked downtown.
McMahon, still in a state of shock, replied, “Why wouldn’t I be?” The moment was too overwhelming to process. The sheer scale of the event, the sights, the sounds, the frantic energy of the crowd, it was all a blur.
There was no one directing them, no authority figure telling them where to go. They were on their own. One of the men McMahon was with said he knew someone who worked in a nearby building, and they could go inside to make phone calls.
They walked about three blocks and entered the building, seeking refuge and a way to contact their loved ones.
They had been inside for only a few minutes when the sound came. It was a deep, rumbling, apocalyptic groan, unlike anything they had ever heard. It was the sound of the South Tower, their building, collapsing in on itself.
They couldn’t see it from where they were, but they could hear it, and then they saw the great gray cloud of smoke and dust surge past the windows. The building they were in shook with the force of the collapse. They were not hit by the debris, but the shockwave was immense.
“That was close,” McMahon thought to himself. The reality of their narrow escape began to sink in. They had been out of the building for perhaps five or eight minutes before it was gone.
When they finally emerged from the building, the world had been transformed into a dystopian landscape. The streets were covered in a thick layer of gray dust, five or six inches deep. It was like walking on the moon.
The air was thick with the same fine, gray particulate, coating everything and everyone. Within half a block, they were covered in it. They were walking through a nightmare, surrounded by people who were equally dazed and covered in the same ghostly shroud.
It was at this moment that a stranger approached them. He was carrying a case of water and a bunch of napkins. “You guys are insane walking around here without any protection,” he said.
He gave each of them a napkin, doused it with water, and told them to put it over their faces. The water quickly turned black from the soot and debris it was filtering. “Thank god that guy did that,” McMahon says.
It was a simple act of kindness, a moment of humanity in the midst of inhuman destruction.
It was only after they were out on the street that they learned the full extent of the attack. Mike Rosenau, the man with the FBI, told them. “Two buildings were hit by airplanes?”
McMahon asked, incredulous. “No, it’s a terrorist attack,” Rosenau replied. “Everything’s getting shut down.
This is war.” The information was staggering, impossible to process. Just that morning, he had been in his office, doing his job.
Now, he was a survivor of a war zone, walking through the ashes of a symbol of American financial power. His only thought was to get to a phone and let his wife and mother know he was alive. They made their way uptown to their command center on 7th Avenue, their faces covered with the damp napkins, their clothes and hair caked with gray dust.
Reflecting on the day, McMahon’s thoughts inevitably turn to Rick Rescorla, the man whose obsessive dedication to preparation saved so many lives. Rescorla had told them in senior management meetings, “We are a target.” He had drilled them relentlessly, ignoring their grumbling and complaints.
He had insisted that each business unit have its own fire marshal, ensuring that everyone was accounted for. He had made them walk down the stairs, time and time again, so that the path of escape would be second nature. “He looked at us as his family,” McMahon says.
“And he had to protect every single one of us. It’s just the way he looked at it.” Rescorla died in the collapse of the South Tower, but his actions saved an estimated 2,700 lives that day.
His legacy is not just in the lives he saved, but in the generations of children and grandchildren that those survivors would go on to have.
Two weeks after the attacks, McMahon had the opportunity to go back down to the pile, the smoldering ruins of the World Trade Center. He walked up to the edge of the debris field with the head of their security. The scene was one of relentless, heartbreaking effort.
Firemen and policemen were still searching for their colleagues, their friends, their brothers. The smell was horrific, and ash was still falling from the sky like a grim snow. “I still can see the firemen, policemen, searching for their co-workers,” he says, his voice heavy with the memory.
“That probably was one of the hardest things as I walk away, as I think about kind of what happened.”
The experience of 9/11 is not just a memory for McMahon; it is a lens through which he views the world. He remembers how the nation came together in the aftermath, a unity of purpose that seems to have faded in the years since. “I hope it doesn’t take something like that again to get people to come together,” he says.
“We are all much more similar than we think we are.” He witnessed unbelievable heroism that day, from the well-known sacrifice of Rick Rescorla to the anonymous acts of kindness from strangers like the man with the water and napkins. “I saw some unbelievable heroism that day that will stay with me forever,” he concludes.
“Whether it’s the person I knew, Rick, or the people I didn’t know who were the police and the firemen and the people working on the pile and all the other people who sacrificed their lives, their time, their families to make a difference. And that’s what makes this place great.”
The story of Bill McMahon is a microcosm of the 9/11 experience: the shock of the attack, the confusion of the escape, the horror of the collapse, and the profound gratitude for the heroes, both known and unknown, who made survival possible. His journey from the 69th floor of the South Tower to the safety of the streets is a testament to the power of preparation, the resilience of the human spirit, and the quiet courage that emerges in the face of unimaginable terror. The image of him walking down those stairs, lit by the lights that Rick Rescorla fought to install, is a powerful reminder that even in the darkest of times, there are those who plan, who prepare, and who sacrifice so that others may live.
