As at funerals for slain police officers, a lone bagpiper wailed "Amazing Grace."
Counting spouses and a few children, there were nearly 300 people in the line of march, led by a lone bagpiper in kilt and bearskin hat.
A lone bagpiper, Frank Ward, was to lead the way to the memorial.
A lone bagpiper must play "Amazing Grace."
The high skirl of the lone bagpiper didn't start until the former president passed over the church's threshold.
Shortly before 4 pm, a lone bagpiper played "Flower of Scotland" as the family arrived at the church.
A lone bagpiper piped the people into the service.
As a dark blue hearse rolled forward and came to a quiet stop in front of the church, a lone bagpiper played.
As a lone bagpiper played "Amazing Grace," Sergeant Aversa's coffin was carried into the church by eight troopers.
The Captain, however, regarded the lone bagpiper with an indulgent eye.