The workplace injury must have happened in the normal course of employment while performing assigned duties. So workplace fights and crimes are excluded.
Earth Defense happened in 1995.
Well, they are covered with spikes.
Earth Defense Force happened in 1992.
Defense of Harbin happened on 1932-02-04.
Defense of Hengyang happened on 1944-06-22.
Desktop Tower Defense happened in 2007.
Probably their defense,that's what happened
Provide for the common defense
Defense of Sihang Warehouse happened on 1937-11-01.
Defense of Schwedt Bridgehead happened on 1945-02-01.
Defense of the Adzhimushkay quarry happened on 1942-10-30.
National Defense Resources Preparedness executive order happened in 2012.