Vaino Jack Vehko, (1918 Detroit, Michigan – 17 August 1999 Austin, Texas) was the son of James Vehko (aka Jalmari Vehkomäki) of Kolho, Finland. He spent his entire career with Chrysler Corporation developing aircraft engines, guided missiles and booster rockets. In 1952 he joined Chrysler Missile Division as head of engineering for the Redstone and then the Jupiter missile systems. In 1960 he became Director of Engineering on the Saturn S-I and S-IB booster rocket program at Chrysler Space Division's Michoud operation in New Orleans, Louisiana.