First up: L-227-14, one of the designs leading to the F-104. Clearly not the direction Lockheed decided to take. (Note: on the original, the dimensions are illegible).
Second: CL-351-10 AKA F-104X, an F-104 with big inlets, a J-79 and the ability to get to Mach 3.2 at 69,000 feet.
Second: CL-351-10 AKA F-104X, an F-104 with big inlets, a J-79 and the ability to get to Mach 3.2 at 69,000 feet.