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Incident
When American Airlines Flight 77 struck the Pentagon, Corporal Foust was at the intersection of Walter Reed Drive and Columbia Pike. He worked that day to clear the roadway for first responders. Throughout the week, he returned to the Pentagon crash site to collect evidence.
Corporal Foust had served with the Arlington County Police Department for over 35 years. He had previously served with the Metropolitan Washington Airports Authority Police Department for almost 2 years.
On the morning of September 11th, 2001, seventy-two officers from a total of eight local, state, and federal agencies were killed when terrorist hijackers working for the al Qaeda terrorist network, headed by Osama bin Laden, crashed four hijacked planes into the World Trade Center towers in New York City, the Pentagon in Arlington, Virginia, and a field near Shanksville, Pennsylvania.
After the impact of the first plane into the World Trade Center's North Tower, putting the safety of others before their own, law enforcement officers along with fire and EMS personnel, rushed to the burning Twin Towers of the World Trade Center to aid the victims and lead them to safety. Due to their quick actions, it is estimated that over 25,000 people were saved.
As the evacuation continued, the South Tower unexpectedly collapsed as a result of the intense fire caused by the impact. The North Tower collapsed a short time later. Seventy-two law enforcement officers, 343 members of the New York City Fire Department, and over 2,800 civilians were killed at the World Trade Center site on 9/11.
A third hijacked plane crashed into a field in rural Pennsylvania when the passengers attempted to re-take control of the plane. One law enforcement officer, who was a passenger on the plane, was killed in that crash.
The fourth hijacked plane was crashed into the Pentagon in Arlington, Virginia, killing almost 200 military and civilian personnel. No law enforcement officers were killed at the Pentagon on 9/11.
The terrorist attacks resulted in the declaration of war against the Taliban regime, the illegal rulers of Afghanistan, and the al Qaeda terrorist network which also was based in Afghanistan.
On September 9th, 2005, all of the public safety officers killed on September 11th, 2001, were posthumously awarded the 9/11 Heroes Medal of Valor by President George W. Bush.
The contamination in the air at the World Trade Center site caused many rescue personnel to become extremely ill and eventually led to the death of several rescue workers.
On May 1st, 2011, members of the United States military conducted a raid on a compound in Abbottabad, Pakistan, and killed Osama bin Laden.
Please click here to visit the memorials of all of the law enforcement officers who have died as a result of the 9/11 Terrorist Attacks.
Survivors
Survivors include his wife, daughter, sisters, and granddaughter.
In Our Keeping
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- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
37 years. You could have gone home.
Corporal Foust gave the Arlington County Police Department 37 years. Still answering calls at the end.
Thank you for your service to the Arlington community. Gone but never to be forgotten.
Rest easy, Corporal Foust.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Illness
Arlington County Police Department has lost 8 officers; 2 of them lost to illness.
Barry is one of 23 officers lost to illness in VA, 3.5% of the 653 remembered there.
Barry is one of 2,028 officers lost to illness in the United States, 7.4% of the 27,552 remembered there.
Barry is one of 2,979 officers lost to illness worldwide, 8.7% of the 34,103 remembered here.
34,103 officers are remembered on this memorial. Each number below is one of them.
Time
In 2026, 1 officer in VA was lost to illness, the 4th heaviest of 13 years on record. The heaviest was 2021, with 8.
In 2026, 10 officers in the United States were lost to illness, the 22nd heaviest of 108 years on record. The heaviest was 2021, with 564.
In 2026, 10 officers worldwide were lost to illness, the 44th heaviest of 197 years on record. The heaviest was 2021, with 566.
Who
Barry was 64. Of the 22 lost to illness in VA whose age is recorded, half were between 50 and 64; the middle age was 56.5. Barry had served 37 years; the middle length of service was 21.5 years.
Barry was 64. Of the 1,996 lost to illness in the United States whose age is recorded, half were between 42 and 58; the middle age was 51. Barry had served 37 years; the middle length of service was 20 years.
Barry was 64. Of the 2,916 lost to illness worldwide whose age is recorded, half were between 39 and 56; the middle age was 49. Barry had served 37 years; the middle length of service was 20 years.
When
May holds 13% of these deaths in VA; January holds the most, 17.4%. Fridays: 8.7%.
May holds 6.2% of these deaths in the United States; October holds the most, 14.9%. Fridays: 14.8%.
May holds 6.7% of these deaths worldwide; October holds the most, 12.6%. Fridays: 14.9%.
How
Illness deaths account for 25% of all 8 deaths at Arlington County Police Department, the 2nd most common cause. The weapon recorded was aircraft; passenger jet, in 100% of these deaths.
Illness deaths account for 3.5% of all 653 deaths in VA, the 4th most common cause. The weapon recorded was aircraft; passenger jet, in 17.4% of these deaths.
Illness deaths account for 7.4% of all 27,552 deaths in the United States, the 3rd most common cause. The weapon recorded was aircraft; passenger jet, in 29.5% of these deaths.
Illness deaths account for 8.7% of all 34,103 deaths worldwide, the 3rd most common cause. The weapon recorded was aircraft; passenger jet, in 20.1% of these deaths.
His people
Arlington County Police Department has 8 officers remembered here, Barry among them.
Where the Name Is Cut
Others Who Wore This Badge
7 officers from Arlington County Police Department are honored on badge.nw.
