The Wealthiest Women of All Time: American Icons

Kathleen Hildreth – Net worth: $590 million

After studying at the prestigious West Point Military Academy,Kathleen Hildreth served as a helicopter pilot with the United States Army for a number of years.

Kathleen Hildreth - Net worth: $590 million

After leaving the military, Hildreth started M1 Support Services, with the company soon landing a lucrative contract to maintain the military’s aircraft.