NATO members are buying up to 1,000 Patriot missiles in order to improve their air defence capabilities, in purchases worth $5.5 billion, NATO procurement agency NSPA said on Wednesday. The contract also includes test equipment and spare parts to support future maintenance, the agency said. It is also commissioning new suppliers. NATO Secretary General Jens Stoltenberg welcomed the announcement by the alliance partners. "This investment shows the strength of transatlantic defence cooperation and