[word=operational] [□]
[word=operational] [□=□]
[word=operational] [□ & □]
The ERS-2 is expected to be operational for several more years . For instance , the principal agents designated as tactical or operational for use on the battlefield were tularemia and Venezuelan equine encephalomyelitis , whereas anthrax and Marburg virus were nominated for attacking rear areas . " This PRT has been operational for some time , but it still represents a significant commitment to enabling , enhancing and improving the capacity of the Afghan nation and extending the outreach of the government of Afghanistan , " a spokesman for Combined Forces Command Afghanistan said today at a news conference in the capital of Kabul . But the top priority of the 104th shuttle mission is installation and checkout of the Canadarm 2 space crane , a billion-dollar piece of complex , high-tech hardware that must be checked out and operational for subsequent assembly missions to proceed . The spacecraft 's engineering has proved to be excellent and no difficulty is anticipated in keeping it operational for at least six years .