Over $150,000 was awarded to eligible civilian hackers in bounties during Hack the U.S Army 3.0. Security researchers had identified 238 vulnerabilities, of which 102 vulnerabilities were rated high or critical and designated for immediate remediation.

https://www.hackerone.com/blog/announcing-hack-army-30-results-conversation-defense-digital-service-us-army-and-hack-army-0