Would Romell's Catholic Faith Be Sufficient for His Salvation?

A christian e by email, has the following question. Speculate on a presupposed notion on the salvation of irwin romell. Romell was a catholic german general during world war two and supposedly involved in the plot to kill hitler. Because of the nature of the cause he fought for, would his catholic faith have,. assuming he stayed true to its tenets, be sufficient for, been sufficient for his salvation?