Robert "Bob" M. Armstrong, 82, of 241 Thatchers Lane, Youngsville, PA, went home to be with the Lord on Thursday, September 20, 2012, surrounded by his family at his residence. Bob was born in Youngsville on June 15, 1930, a son of the late Dora May (McElwin) and Harry Armstrong. He served in the U.S. Army as a Sgt. in the Korean War where he was in demolitions, and received the Occupation MED GER and National Defense Service Medal. Bob was retired from his employment with the United States Postal Service in Youngsville, where he was a letter carrier for 28 1/2 years.