Rubuta ci gaba don wannan sakin layi - A ƙarshen Afrilu 1914, a ƙarƙashin jagorancin Lieutenant Allen B. Reed, "Iris" tare da jiragen ruwa guda biyar daga Pacific Fleet Torpedo Flotilla, an umurce su zuwa Gulf of California, wanda aka fi sani da Tekun Cortez bayan Tampico Affair. Sun yi sintiri a kusa da La Paz da Mazatlan, Mexico, a lokacin hargitsi na gari da ke ci gaba
a can. A watan Mayu da Yuni na 1914, "Iris" ya kwashe 'yan gudun hijirar Amurka daga Mazatlan da Acapulco, ciki har da jakadan Amurka, Hon. Clement S. Edwards. A ranar 19 ga Yuni, "Iris" ya tashi daga Mazatlan zuwa La Paz, Mexico. "Iris" ya bar La Paz zuwa San Diego a ranar 28 ga watan Agusta. Bayan ya dawo San Diego, "Iris" ya shafe watanni masu zuwa a kan aikin tsaro na yau da kullum tare da jiragen ruwa na torpedo a cikin tawagarsa, wanda ke aiki a bakin tekun California tsakanin San Pedro da San Diego.