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The airing details for Star Trek: Discovery's first season has been announced. The series will premiere on 24 September2017, with the first episode being broadcast on CBS at 20:30 EDT, whilst the second episode will be available on CBS All Access alongside it. Subsequent episodes will become available on All Access on successive Sundays until 5 November2017, when a mid-season break until January 2018 will begin. 
The IKS Rotarran was a Klingon Bird-of-Prey in service during the 2370s.
With the withdrawal of Klingon fleet from Cardassian space in mid-2373, following the Cardassian's successful admittance into the Dominion, the Rotarran suffered half a dozen successive defeats in combat with the Jem'Hadar, mounting heavy casualties over a period of seven months.
Late that year, General Martok was assigned command of the Rotarran by the Klingon High Council and dispatched to locate the missing IKS B'Moth. Joining him was Worf as his first officer and Jadzia Dax as science officer; both serving on detached duty from Starfleet.
Plotting course for the last known position of the B'Moth, the Rotarran was forced to circumnavigate the Tong Beak Nebula in order to avoid the Jem'Hadar. Martok's wish to avoid a fight struck a sour chord with his weary crew.
On the way, Martok reviewed his crew's personnel reports, which included remarks such as: "dishonorable conduct," "lack of respect," "dereliction of duty," "inattention to orders," "unmotivated," and "insufficiently aggressive." This did not go over well with neither Martok nor Worf. Together they vowed to restore honor to the Rotarran and make it a ship worthy of the Empire.