ABMS On-Ramp Experiment #1 (Dec 19):
https://www.eglin.af.mil/News/Tag/153738/abms/
https://www.eglin.af.mil/News/Article-Display/Article/2047058/military-conducts-first-test-of-advanced-battle-management-system/
https://breakingdefense.com/2020/01/mdo-exclusive-air-force-targets-primary-role-in-joint-c2/
ABMS On-Ramp Experiment #2 (Apr 20):
https://community.apan.org/wg/aucoi/multi-domain-operations-in-education/abms/