Description RQ-2 Pioneer Propeller. This RQ-2 was flown from the USS Iowa. Propeller appears to have been removed after flight and recovery of a Pioneer. Both blades are chipped from contact with recovery gear on the ship. Otherwise, clear varnish finish is intact and propeller is in good condition. Propeller is laminated from 15 thin pieces of hardwood. The span is approximately 28 inches. The hub is marked in red ink with: W29KH-18 AB0190.