NESCONSET - The community of Nesconset came together today for the unveiling of the first monument in the U.S. dedicated to Sept. 11 first responders who made the ultimate sacrifice. The 9/11 Responders Remembered Park honors the workers who died from illnesses related to the toxic dust at Ground Zero.Greta Helmke's husband, Robert, an NYPD police officer, died from cancer in 2007 at age 43 after working six months on the rubble. Helmke says the memorial is a dream come true."This is for cops, firefighters, construction workers, volunteers," says John Feal, of the Feal Good Foundation. "This is to let everybody know that the spirit of this great nation came together 10 years ago."The names of more than 1,000 first responders will be etched on the black granite walls of the memorial situated at the northeast corner of Gibbs Pond Road and Smithtown Boulevard. The memorial can be expanded so more names can be added in the future.