Only two months into his new career path with the New York City Police Department, recruit Tom DaCosta found his world abruptly upended. One day in September 2001, he was working overnight training shifts as part of an expansive recruit class. Just forty-eight hours later, in the immediate wake of the catastrophic attacks on the World Trade Center, the North Haven, Connecticut, resident was thrust into active duty, standing guard inside an eerily deserted Grand Central Terminal to deter prospective terror threats.
The atmosphere within the iconic transit hub was profound and chilling. DaCosta later described the station as feeling like a massive mausoleum, observing heartbroken relatives taping photographs of their missing family members to walls and columns while the quiet halls echoed with weeping. For a recruit who had barely begun his official police schooling, the sudden shift from the classroom to safeguarding vital city infrastructure was an intensely surreal reality.
Before stepping into law enforcement, DaCosta had already built a long record of public service. He spent nine years serving in the United States Marine Corps as an artilleryman. When he initially enlisted in 1988, the nation was at peace, and his motivation was centered around testing himself against a rigorous personal challenge. However, his military tenure soon saw active conflict, including an eight-month deployment to combat zones during the Gulf War between 1990 and 1991.
Following his honorable military discharge, DaCosta resolved to follow in the footsteps of his father, who had served as a police officer in East Haven. Living in West Haven at the time, DaCosta received a recommendation from a high school friend who was already working on the force, alerting him that the NYPD was actively hiring. He applied successfully and entered an enormous academy class of 1,800 candidates, a group so large that officials divided the recruits into two alternating shifts of daytime and nighttime instruction.
During the fateful week of September 11, DaCosta was assigned to the night rotation. He arrived back at his Connecticut home in the early morning hours of September 10 around 2 a.m. to rest. The following morning, as the first hijacked plane struck the North Tower, his wife, Amy—who was employed as a research administrator at the West Haven VA Hospital—attempted to reach him via pager. Initially planning to return the message after getting out of bed, DaCosta was startled minutes later when his pager chimed continuously and his landline rang with the urgent confirmation that a second plane had hit the South Tower.
Mobilization was swift and demanding. Within hours of the strikes, DaCosta traveled into the Bronx to await deployment orders. By the following day, he was positioned at Grand Central Terminal, embarking on a monthlong security assignment before he and his fellow recruits were finally permitted to return to the police academy to resume their interrupted curriculum.
Reflecting on the unconventional path to graduation, DaCosta compared the experience to entering military boot camp, being suddenly dispatched to a combat theater halfway through instruction, and then having to return to finish initial training. Although the timeline was unprecedented, the operational disruption reflected the emergency needs of a city under direct assault.
The aftermath carried a severe, long-term human toll for the class of 2001. While DaCosta patrolled Grand Central, several of his academy peers were directed to Ground Zero to sift through rubble, search for potential survivors, and recover human remains. In the years following, many of those responders developed severe, chronic illnesses linked to toxic exposure. According to DaCosta, approximately 150 of his classmates have since lost their lives to conditions connected to their service during and after the disaster.
The catastrophe also fundamentally altered the core mission of municipal policing. Prior to the attacks, the curriculum primarily emphasized standard law enforcement priorities, including curbing theft, addressing quality-of-life offenses, and handling unruly public behavior. Post-9/11, counterterrorism immediately became the dominant priority, with intense focus placed on preventing explosive devices from ever entering the metropolitan subway and rail networks.
Following his academy graduation, DaCosta went on to construct a distinguished 24-year career as a transit officer with the NYPD. His duties included working alongside a specialized bomb-detection Labrador retriever named Skeeter. Throughout his decades of service, he witnessed a dramatic expansion of the department’s canine counterterrorism capabilities, as the transit system grew from having zero dedicated explosive-detection dogs to maintaining a fleet of 50 K-9 teams.
DaCosta eventually climbed the ranks within the transit bureau, concluding his career as a deputy inspector responsible for commanding 80 officers. His professional trajectory mirrored the comprehensive post-9/11 evolution of modern transit policing from traditional street patrols to specialized counterterror defense.
Today, DaCosta continues his commitment to service in North Haven and beyond, serving as the commander of New Haven VFW Post 12150. Established in 2015, the post was formed with a direct mission to support post-9/11 veterans through direct assistance programs and localized community outreach initiatives.
DaCosta notes that the widespread shock and grief that enveloped the country in late 2001 soon transformed into a powerful wave of resolve and patriotism, inspiring countless individuals to join the armed forces. Through his current leadership role at the VFW, he remains dedicated to assisting those who answered the call during that transformative era.
As a quarter-century nears since the day the Twin Towers collapsed, DaCosta emphasizes the ongoing duty to preserve the memory of the attacks and their aftermath. With younger generations possessing less direct knowledge of 2001, he stresses that remembrance remains vital, especially as first responders and survivors continue to suffer and lose their lives to related illnesses decades later.
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