This is on the south side of FOB Alpha. From the vehicle call terminal, turn left and you'll see it leaning up against a storage container.

This UNSC audio log can be found just to the left of FOB Echo's main terminal, sitting on a crate.

The estimated jackpot for the drawing is $100 million. The cash option is about $45.5 million. If no one wins, the jackpot climbs higher for the next drawing. According to the game’s official website, ...