Portland firefighter Paul Halvorsen plays the bagpipe during the 13th anniversary memorial service at Fort Allen Park in Portland.

Firefighter Paul Halvorsen attending the event in full bagpipe dress.

Portland firefighter Paul Halvorsen practices the bagpipe before the 13th anniversary memorial service at Fort Allen Park.

A wreath is ready to be placed before the 13th anniversary remembrance for Sept. 11.

Members of the Portland Police and Fire departments stop for a moment of silence during the 13th anniversary memorial service at Fort Allen Park in Portland.

Portland fire fighter Rick Mollins, center, Portland Fire Lieutenant John Cenate, right, and Portland fire fighter Craig Rawnsley prepare for the 9/11 13th anniversary event.

Portland Fire Chief Jerome LaMoria, right, and Portland Police Chief Michael Sauschuck lay wreaths at the 9/11 memorial during the 13th anniversary memorial service at Fort Allen Park in Portland.

Portland Fire Chief Jerome LaMoria, right, and Portland Police Chief Michael Sauschuck lay wreaths at the 9/11 memorial event.

LaMoria, left, and Sauschuck salute during the 9/11 memorial event.

Portland Fire Chief Jerome LaMoria, left, and Portland Police Chief Michael Sauschuck lay wreaths during the service.

A man takes a photo of the September 11th memorial service from his window across from Fort Allen Park in Portland.

Members of the Portland Fire and Police departments congregate before the event.

Portland Fire Captiain David Petruccelli speaks with other members of the Portland Fire and Police departments.

Paul Halvorsen of the Portland Fire Department plays the bagpipes before the 9/11 memorial event Thursday at Fort Allen Park.