JET Program marks 20 years Yoko Mizui Daily Yomiuri Staff Writer The Japan Exchange and Teaching (JET) Program has now entered its 20th year. To mark the milestone, a commemorative ceremony, attended by Crown Prince Naruhito, was held at a Tokyo hotel on Nov. 22. Sir Graham Holbrook Fry, British ambassador to Japan, made a commemorative address, stressing the importance of mutu..