ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈaɪv, pˈɛɹəs kˈeɪm bˈæk fɹʌm ɹᵻtˈaɪɚmənt, stˈɑːɹɾɪŋ hɪz kəlˌæbɚɹˈeɪʃən wɪð tˈuː bɹˈɪɾɪʃ ˌɛndʒɪnˈɪɹz, mˈaɪk hˈʌmfɹi ænd mˈaɪk bˈɑːɹoʊ, ˈɪntɹɛstᵻd ɪn dɪzˈaɪnɪŋ ɐ mˈɑːdɚn ˌætməsfˈɛɹɪk dˈaɪvɪŋ sˈuːt.
In 1965, Peress came back from retirement, starting his collaboration with two British engineers, Mike Humphrey and Mike Borrow, interested in designing a modern atmospheric diving suit.