343:

On behalf of the entire Halo Infinite team, and in celebration of Halos 20th anniversary, I am very happy to announce that your Spartan journey begins today! Sincerest thanks to the entire Halo community for your support, passion, and feedback. This day belongs to all of you. Whether youve been part of the community from the beginning or are joining with us today, welcome!

Source: N4G PC Welcome to the Halo Infinite MP Beta