The F-117A is powered by two low-bypass F404-GE-F1D2 turbofan engines from General Electric. The rectangular air intakes on both sides of the fuselage are covered by gratings, which are coated with radar-absorbent material. -https://www.airforce-technology.com/projects/f117/
Photo by Bob Nelson on Sunday August 30, 1992, at the GFAFB.