Among the many dramatic episodes recorded in the Srimad Bhagavatam and the Mahabharata, few are as startling and as persistently debated as the aerial assault on Dwarka by King Salva. This is not a tale of swords clashing on dusty plains. It is the account of a sophisticated flying machine, invisible to the naked eye, raining destruction from the heavens upon one of the most advanced cities of the ancient world. For those who read this episode with fresh eyes today, the questions it raises are deeply compelling: What was the Saubha? Who gave that technology? And why was Dwarka the target? The Vow That Set the Sky on Fire King Salva was a loyal and devoted friend of Shishupala, the king of Chedi, who was slain by Bhagavan Sri Krishna at the Rajasuyayajna of the Pandavas. The Srimad Bhagavatam, in its tenth canto, records that Salva, consumed by grief and rage, took a solemn vow before all the assembled kings to rid the earth of every Yadava. To fulfill this vow, Salva undertook in...