operational disturbances operational divisions operational doctrine operational documentation operational documents operational downtime operational duties operational effectiveness operational efficiencies operational efficiency operational efforts operational elements operational environment operational equipment operational errors operational events operational excellence operational execution operational expenditure operational expenses operational experience operational expertise operational facilities operational factors operational failure operational feasibility operational features operational field operational financing operational flexibility operational focus operational follow-up operational framework operational freedom operational functions operational funding operational funds operational fund operational goals operational governance operational groups operational guidance operational guidelines operational guide operational headquarters operational history operational hours operational impact operational implementation operational implications operational improvements operational independence operational indicators operational inefficiencies operational information operational infrastructure operational initiatives operational instructions operational instruments operational instrument operational integration operational integrity operational intelligence operational interface operational involvement operational issues operational knowledge operational leadership operational leasing operational levels operational level operational lifetime operational life operational limitations operational limits operational links operational load operational losses operational maintenance operational management operational manager operational manual operational matrix operational matters operational means operational measures operational mechanisms operational methods operational metrics operational mission operational mobility operational models operational model operational modes operational monitoring operational nature operational needs operational network operational noise operational objectives operational objective operational obligations operational office operational optimisation operational optimization operational options operational orders operational organisation operational organization operational overhead operational parameters operational partnerships operational partnership operational partners operational part operational performance operational period operational personnel operational perspective operational phases operational phase operational planning operational plans operational plan operational platform operational point of view operational policy operational portfolio operational position operational powers operational practices operational preparedness operational principles operational priorities operational problems operational procedures operational processes operational procurement operational productivity operational profitability operational profit operational programme concerned operational programmes may operational programmes submitted to operational programmes operational programme operational programming operational programs operational program operational projects operational properties operational proposals operational protection operational provisions operational purposes operational qualification operational quality operational questions operational range operational readiness operational reality operational reasons operational recommendations operational regulations operational reliability operational reporting operational reports operational requirements operational research operational reserve operational resources operational responsibilities operational responsibility operational restrictions operational results operational risk management operational risks operational risk operational role operational rules operational safety operational satellites operational savings operational sectors operational security operational services operational service operational settings operational side operational simplicity operational sites operational situation operational skills operational software operational solutions operational space operational specifications operational speed operational stability operational staff