break up
debrief
decommission
demilitarize
demob
demobilize
detach
disarm
disband
discharge
disintegrate
dismiss
disorganize
disperse
dissolve
go separate ways
let go
muster out
part
part company
reconvert
release
scatter
separate
sheathe the sword
split up
deactivated
deactivates
deactivating
inactivate