41. It is buying airborne early warning radar systems from Britain and Israel and jetfighters from Russia, London's Financial Times reported. 42. Washington has sought permission from NATO-member Denmark to upgrade an early warning radar at Thule Air Base in northern Greenland. 43. To support the fighters, an improved early warning radar aircraft was needed, and Grumman won the contract for W2F Hawkeye. 44. These include Ukraine, which has early warning radars in Sevastopol and Mukachevo, and Kazakstan that has one near Lake Balkhash. 45. An early warning radar at Thule Air Base in northern Greenland would be upgraded as part of the missile shield. 46. Apaches fired the first shots of the war, destroying enemy early warning radar and SAM sites with their Hellfire missiles. 47. RI was a particular problem before effective early warning radar systems because a first strike attack might make retaliatory weapons useless. 48. A Canadian Forces Station could host a single minor unit ( e . g ., an early warning radar station ). 49. The long range early warning radar became obsolete by the late 1980s and the facility was decommissioned on August 1, 1990. 50. Washington sought permission from NATO-member Denmark in December to upgrade an early warning radar at Thule Air Base in northern Greenland.