MV Juno took to the water at Lamont's in Port Glasgow, on 16 September 1974 and was christened by Mrs W M Little, wife of the Managing Director of the Scottish Transport Group, Calmac's owning company at the time.
From 1986, the "streakers", , and Juno provided three rosters on the Upper Clyde: one each at Dunoon and Rothesay and the third (1A Roster) to Kilcreggan with peak sailings to Dunoon and Rothesay [REF].