Imagine running a high-stakes, top-secret military operation right under the noses of a global superpower. Now, imagine doing it when you are just a teenager. This isn’t the plot of a Hollywood espionage thriller, it is the literal history of the Ayalon Institute. In the tense years leading up to the birth of Israel, a group of brave, resourceful young pioneers successfully built and operated a massive underground munitions factory directly beneath a fully functioning British