Thinking Searching The Grumman F7F Tigercat was a heavy, twin-engine fighter aircraft developed for the U.S. Navy during World War II, known for its exceptional speed and powerful armament. Although it was too late to see combat in WWII, it served with the U.S. Marine Corps in the Korean War and was the first twin-engine fighter deployed by the Navy. Key Features and History Grumman began developing the F7F in 1941 to create a faster and more heavily armed fighter than existing models. While int