this is the 25th year in a row japanese women have led the world when it comes to life exclusi expectan expectancy. japanese men were fifth. with people in japan living longer, some are urging the country's government to revamp its social system. >> translator: despite the fact that japanese enjoy such long lives, their retirement age is too low. we need a new social system to honor a long life. >> japan's maritime self-defense force vessels are visiting baltimore to mark the 50th anniversary of the revision of the japan/u.s. security treaty. the training vessel and two other ships made the port call to the u.s. city on monday. 190 junior officers are aboard the vessels. every year, the msdf. that gates the oceans to train graduates from the maritime officer candidate school. this year, it chose to visit the united states. in a welcoming ceremony at the pier, a u.s. naval officer said the u.s. navy and japan's msdf forged a strong partnership over the past 50 years. they'll visit arlington national cemetery in washington, then leave for portugal on thursday. >>> welcome back to news lin