TOKYO -- As Japan buys more U.S.-made F-35 stealth fighter aircraft, domestic jet engine builder IHI faces a risk to its most lucrative business.
US-made fighters leave no room for major Tokyo defense contractor

Japan is purchasing 105 F-35 stealth fighters from the U.S. (Courtesy of the Japan Air Self-Defense Force)
TOKYO -- As Japan buys more U.S.-made F-35 stealth fighter aircraft, domestic jet engine builder IHI faces a risk to its most lucrative business.