sentences:  Today latest version of Nora B-52 has little similarities with the original NORA-B project as new self-propelled artillery gun system is much more modern and automated.On basis of NORA M-84 development conversion was set for up-gunning Soviet 130 mm towed field gun M1954 (M-46) to bigger caliber and new gun was developed for that purposes.In 1986 it was accepted by Yugoslav People's Army under designation M-46/86 in 152mm caliber and in same time it was developed one more version for export as M46/86 with 155mm gun caliber.