???? ?????? ?????? ??? (????) ?????? ????????? ??????? ??????? ??????? ????? ???? ?????????? ?????? ??????? (???? ???? ????? ????? ???????) ???? ?? ??? 1958? ??? ???? ??? ????? ??? ????? ??????? ???????? ?? ?????.

?? ???????? ???????? ????????? ?????? ??????? ?? ????? ????? ?? 60 ?????? ???? ?????? ?????? ?????? ?? ?????? ???????? ??????? ??????? ???????? ???????????? ??????? ???????. ??? ??????? ?????? ????? ????? ?? ???? ?????????? ????????? ?? ????? (YF-73) ??? ????? ????? ?? ??????? ??????? ?? ?????? ???? ????? ????????? ????? ???????? ??? ?????? ?????? ?????? ??????? ???????? ??????? ????? ????? ???????? ?? ??????. ????? ??? ???? ????? ?????? ?? ???? ?????????? ????????? ?? ?????? ?????????? ?????? ?????? (YF-75) ????? ??? ??? ?? ?????? ??????? ??? ????? ??? ??? ???????? ??????? ??????? ??? ??????? ?????? ?? ??????.

???????? ???? YF-77 ? 75D ???? ???? ????? ???? ??? ?? ??? 2016? ???? ????? ???? ?? ??? ?????? ???? ??? ??? ?????? ????. ??????? ???? ?????? ???? ?????????? ????????? ???? ????? ??????? ?? ????? ???? ??????? ???????? ??????? ?????? ?????? ?? ?????? ??? ?? ????? ???????? ????? ?? ???????????? ????????. ????? ??? ????? ?? ????????? ???????? ?????? ??? ???? ??????? ??????? ???????? ?? ??? ????? ?????? ?????????? ??????? ????? ???? ?????? ?? ??????? ??????? ???? ??????. ???? ???? ???? ???? ?????? ?? ???? ????? ?????? ????? ?? ???? ????? ???????? ???????? ???????? ????????? ?????????? ??? ??????? ??? ???? ???? ?? ?????? ?????? ??? ??????? ???????? ??????? ??????? ????? ???????? ????????. ???? ???? ???? ??????? ???????? ???????? ?? ????? ?????? ???????? ?????? ??????? ?? ????? ???? ??????? ????? ???? ?????? ?? ??????? ??????? ??????? ??????? ?????????? ?????????.