3 (ex-Carmen, ex-Heng Tai, ex-Josho Maru) was an American-built Japanese cargo ship during World War II.

She was laid down in 1917 at the Cleveland, Ohio shipyard of the American Ship Building Company for the benefit of Skibs Akties Lodding's Rederi of Norway.

[1][3] In 1928, she was sold to Matsukawa Ryo Shokai (松川菱商会) in Nishinomiya and renamed Josho Maru.

[1][3] In 1933, she was sold to Okada Shosen, K.K./Okada Shipping Co., Ltd. (岡田海運) in Kyoto and renamed Shinyō Maru No.

[1] On 11 June 1945, while traveling un-escorted, the submarine USS Bowfin spotted her and fired four torpedoes, one of which hit.