Although a seasoned warrior, Narvaez was young for his rank and considered by some to be an untried leader when he was given command of the Marines Errant 4th Company, which also brought with it the flag-captaincy of the Strike Cruiser Star Jackal. Narvaez would show his mettle as a newly anointed officer during the disastrous ambush of convoy Urdaneta 1-213 by Secessionist forces. The convoy was surrounded and overwhelmed by the Renegade Space Marines from the Astral Claws Chapter and their allies in brutal ship-to-ship combat. Convoy Urdaneta 1-213 was woefully outnumbered and vastly outgunned, and its total seizing or destruction was prevented only by the decisive leadership of Narvaez and the effective tactics he had honed through years of experience battling among unknown stars as par