Nike family of missiles: Zeus, Hercules and Ajax | Maxwell Hunter
Nike Ajax - United States Nuclear Forces
What were the differences between Nike Ajax, Nike Hercules, and Nike Zeus anti aircraft missiles? Were they different warheads mated to the same basic missile, or completely different missile systems? - Quora
What were the differences between Nike Ajax, Nike Hercules, and Nike Zeus anti aircraft missiles? Were they different warheads mated to the same basic missile, or completely different missile systems? - Quora
Nike family of missiles: Zeus, Hercules and Ajax | Maxwell Hunter