Brussels, Rabi'II 16, 1436, February 05, 2015, SPA -- NATO is bolstering its ability to respond to potential threats from Russia, alliance chief Jens Stoltenberg said Thursday, with defence ministers due to approve new command centres in six eastern countries and fine-tune a rapid reaction force, dpa reported. "This will be the biggest reinforcement of our collective defense since the end of the Cold War," Stoltenberg said ahead of Thursday's meeting in Brussels. At present, NATO has around 13,000 high-readiness troops, but these would take longer to assemble than considered necessary given the current threat level. --SPA 14:24 LOCAL TIME 11:24 GMT www.spa.gov.sa/w