The last of the Goodyear blimps

Goodyear has let the helium out of its fabled fleet of blimps with the decommissioning of the Spirit of Innovation, the last of the company’s GZ-20 model blimps.The GZ-20 model was introduced to Goodyear’s fleet in 1969.The model type was the flagship design of the Goodyear Airship Operations program for almost 50 years — more than half the life of the publicity blimp’s 92-year program.