Diving day and night was really easy for me in 1970, when I led a team of aquanauts living underwater for weeks at a time -- at the same time that astronauts were putting their footprints on the moon.
Mergullar noite e día foi moi fácil para min en 1970, cando liderei uns acuanautas durante semanas de vida submarina ao tempo que os astronautas deixaban as súas pegadas na lúa.