Police Commissioner Danielle Outlaw, FOP President John McNesby, U.S. Attorney William McSwain and Pennsylvania Attorney General Josh Shapiro were in attendance during a morning plaque dedication for Sergeant James O'Connor.
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O'Connor was shot and killed March 13 while serving a murder warrant on the 1600 block of Bridge Street in Frankford.
The 23-year veteran of the Philadelphia police force was a corporal at the time of his death and was posthumously promoted to sergeant.
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O'Connor was awarded with the Medal of Honor, the Purple Heart and the Medal of Valor following his death.
He left behind a wife and two adult children.