TVA Bell 205 Helicopter
TVA Bell 205 Helicopter arrives at Dickson Municipal Airport
Ray Valente
Bob Imhoff
TVA Bell 205 Helicopter visits Nashville International Airport
Ray Valente describes instrumentation to visitors
Ray and Myra
Bob Imhoff prepares for science flight
Myra Valente on board for airborne measurements
TVA Bell 205 Helicopter prepares for takeoff
