Assertion: trident | /r/CapableOf | become operational
Facets:
value: in 1994
type: TEMPORAL
Source sentences:
text: Since Trident became operational in 1994, annual expenditure has ranged between 3 and 4.5 per cent of the annual defence budget, and was projected to increase to 5.5 per cent of the defence budget by 2007–08.