Captain Will Hargreaves graduated from the U.S. Naval Academy in 1997 with a Bachelor of Science degree in Mechanical Engineering. Following primary training at NAS Whiting Field, he was designated a Naval Aviator and reported to HS-10 at NAS North Island for training in the H-60 Seahawk.

Captain Hargreaves deployed with the Dragonslayers of HS-11 aboard USS Theodore Roosevelt in support of Operation ENDURING FREEDOM and USS Enterprise for Operations ENDURING FREEDOM and IRAQI FREEDOM. 

As a class 126 graduate of USN Test Pilot School, he reported to the Blackjacks of HX-21 and served as a test pilot for various projects including the Developmental Test of the armed MH-60S. CAPT Hargreaves returned to the fleet serving as the Helicopter Operations Officer and Combat Search and Rescue officer on the Carrier Air Wing ONE staff.

In February, 2008, Captain Hargreaves was designated an Aerospace Engineering Duty Officer and reported to the Naval Air Systems Command serving as the Avionics Systems Projects Officer for the H-53 Heavy Lift Program Office (PMA-261).  During this tour Hargreaves earned a Master of Science degree in Technical Management from the Johns Hopkins Whiting School of Engineering.  After serving as H-60 department head and Government Flight Test Director at HX-21, Captain Hargreaves reported to the H-60 Multi-Mission Helicopter Program Office (PMA-299) where he was responsible for production of both the MH-60R and MH-60S variants.  In June, 2015, Hargreaves reported as Executive Officer, US Naval Test Pilot School and served as Commanding Officer from January, 2017 until July, 2018.  He served as the Director at the Effects Deployment Office, PMA-201 until December 2022 when he reported as the H-60 Multi-Mission Helicopter Program Manager.

Captain Hargreaves has more than 2,500 flight hours in a multitude of rotary wing and fixed wing aircraft.  His personal decorations include the Meritorious Service Medal, Navy Commendation Medal, Navy and Marine Corps Achievement Medal, and various campaign and unit awards.