The "Diamond Stella" egg is a true masterpiece of extravagance and holds the crown for the most expensive egg ever sold at $100 Million.

The most expensive gun in the world ever sold, topped only by Bonham's sale of “the gun that killed Billy the Kid.” that sold for $6.01 million.

Let's explore the top 10 most expensive military equipment items, like weapons, aircraft, tanks, ships, and vehicles, that are currently in active service