CORPORATIONS: G.M. of the Rockets

For 140 seconds, the giant rocket engines quaked and thundered on the stands some 15 miles northeast of Sacramento, Calif., spewing smoke, steam and mud over the revetments. Suddenly the test director shut off the liquid fuel that had produced an awesome 300,000 lbs. of total thrust from the two biggest rocket engines ever developed in the U.S., the main unit for the 5,500-mile Titan ICBM. "O.K.," said the director to a visitor, in the silence that followed. "Now you can go over and see the solid-propellant guys."

Orbits & Torpedoes. At Aerojet-General Corp. last week,...