Meet some of the highest-ranking women in US military history

Brigadier General Paula Lodi of the U.S. Army, Major General Maria Barret of the U.S. Army, Lt. General Jacqueline Van Ovost of the U.S. Air Force, and Retired four-star Admiral Michelle Howard of the U.S. Navy sit down with CNBC's Scott Wapner to discuss their service, and what they would say to other women aspiring to join the U.S. military.