MUSTANG P-51 The P-51 Mustang was a long-range World War II fighter aircraft that flew as a bomber escort over Germany. Powered with the British Rolls-Royce Merlin engine， it was unmatched by any other piston fighter aircraft of World War II. Item#: LL003 Number of sheets: 1 Sheet Difficulty: Easy Assembled Size:3.51" x 3.71" x 1.17" (9 x 9.5 x 3 cm)