in operation

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ThesaurusAntonymsRelated WordsSynonymsLegend: operation - being in effect or operation; "de facto apartheid is still operational even in the `new' African nations"- Leslie Marmon Silko; "bus service is in operation during the emergency"; "the company had several operating divisions"
operative - being in force or having or exerting force; "operative regulations"; "the major tendencies operative in the American political system"
References in periodicals archive ?
These acts reportedly occurred while Cruz and Graham were working in Operation Sojourner.
Athena's proven GuideStar, with 60,000+ cumulative flight hours in Operation Iraqi Freedom, will provide back-up guidance and navigation for Warrior, including periods of GPS denial.