Virginia Class Submarine - $87 billion
Cost per unit: $2.7 billion
A single, nuclear-powered, Virginia-class boats currently costs about $2.7 billion to procure. The Virginia submarine is intended to replace the fleet of nearly 40 Los Angeles Class subs, long the backbone of the Navy’s underwater force. The services hopes to purchase a total of 32 Virginia-class submarines, with the last planned for purchase in fiscal year 2020. That would put the effort’s price tag at around $87 billion.