He had been under treatment for pernicious anemia - a blood disease, and in spite of several blood transfusions, succumbed suddenly after a short illness.
A Marine for four years before the war, and honorably discharged, Del Grosso re-enlisted shortly after Pearl Harbor.
He had learned to fly in Nutley, and hoped for overseas service.
He was stationed, however, at the Naval Air Base at Santiago, Calif., as a technical instructor where he was joined by his family about a year ago.
There was plenty of action even in California, for Sgt. Del Grosso was on flight duty, making repairs and testing planes.
Nutley residents remember John as the Scoutmaster of Troop 7 and a member of the Franklin Reformed church. He was a watchmaker by trade, and for several years had his own business here.