Abstract: A truss-reinforced radome crown structure (TRRCS) that functions in combination with an aircraft and a communication radome or antenna. The TRRCS maintains and protects a radome and antenna located on an aircraft's fuselage. The TRRCS includes a fairing that is preferably elliptical shaped, a truss structure that is located within and circumvents the fairing, and truss/fairing attachment means that comprise a plurality of links/rods and pins or tubes, and/or exterior horizontal intercostal rods. Once the TRRCS is attached, a radome and antenna is enclosed and protected, and the design of the TRRCS allows it to compensate for the expansion and contraction as well as other forces experienced by an aircraft while in flight.