same time in atomic energy in the same area, the training class of sardar zahdi, sardar shafizadeh hassan tehrani moghadamaching at the same place. they used the enemy's artillery right there, and when they captured it, they only had to turn the artillery's head towards the enemy. yaqub zahdi along with martyrs like hasan tehrani moghadam and hassan shafizadeh played a role in setting up the sepah ball center in 1360. we wanted to tell giovna how your fathers are from the army. taking the balls and using them against the enemy in the same operation. the book of oral history of holy defense, which is the most important source of holy defense , is considered to be the historiography and awareness of today's society. i think that it will be an interesting story for the current generation, if they hear this story step by step, they will understand that it is one of the important factors. this book was not formed overnight, but it is the result of 30 conversations it has been published in two volumes. we tried to prepare a clear and fluent text for the audience so that the audience will not get tired while rea