Robert Kmetz, son of Mr. and Mrs.John J. Kmetz, Jim Thorpe, is being flown to Valley Forge Hospital after being a casualty of fighting in Viet Nam. The 21-year-old youth telephoned his parents from the Philippine Islands to inform them he was wounded in the hand and is to undergo surgery at Valley Forge. He had been serving with the First Calvary's Airmobile Division. Kmetz has been serving in the Bong Son area which was the scene of heavy fighting late last week.