Hhab-12: Hhab-15

A German single-engine fighter aircraft used by the Luftwaffe during World War II. It was designed by Focke-Wulf and was known for its speed and maneuverability. The Hhab-15 was an improved version of the Hhab-12 that featured a more powerful engine and improved armament.

Hg-31: He 178

The first jet-powered aircraft to fly, designed and built by Heinkel in Germany in 1939. While not used in combat, it was a significant technological advancement that paved the way for jet aircraft development.

Hg-35: High-Octane Fuel

A type of aviation fuel with a high octane rating, providing greater power and performance for aircraft engines. It was crucial for high-performance aircraft used in World War II.

Hg-36: High-Velocity Gun

A type of gun that fires projectiles at very high speeds. High-velocity guns were widely used in World War II for both anti-aircraft and anti-tank roles.

Hg-37: H-Boat

A German term for the Type VII U-boat, a submarine extensively used by the Kriegsmarine during World War II. These submarines were known for their long range and ability to operate independently for extended periods.