RTX Corp.'s (RTX) shares have surged an impressive 46.6% in the year-to-date period, outperforming the Zacks Aerospace-Defense industry, the broader Zacks Aerospace sector and the S&P 500. As a prominent missile manufacturer, RTX rides on solid defense order growth, growing commercial air traffic as well as a solid financial position. A similar stellar performance has been offered by other defense players such as Lockheed Martin (LMT) , Leidos Holdings (LDOS) and TransDigm Group (TDG) , whose shares have wi ...