The Nassau County Firefighters Museum and Education Center in Uniondale will have free admission Monday as it marks the anniversary of 9/11.

“We feel it is very important for the families, colleagues and friends of those we lost to have a place here on Long Island to come remember their heroes on September 11th”, said Angelo Catalano, chairman of the museum’s board of trustees.

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The museum’s 9/11 exhibit was created in 2011 for the 10-year anniversary of 9/11. It highlights the volunteer firefighters from Nassau County who were lost.

The exhibit was expanded last year to include the names of additional firefighters who later died from 9/11-related illnesses.

This year, the name of Raymond Pfeifer, both an FDNY firefighter and an East Meadow volunteer firefighter who died in May of cancer linked to his work at Ground Zero, was added to the list.

The museum will be open from 10 a.m. to 5 p.m. and is located inside the Cradle of Aviation along Museum Row on Charles Lindbergh Boulevard in Uniondale. The museum typically charges $5 for an adult and $4 for a child.