Got something up as a start, just a gentle opener to catch up on elapsed time and set up our first mission - something small but interesting to get us going. I have the idea that this first mission could be used to hint at a recurring antagonist and set up the mystery of what Silent Line's project is; maybe give us a name but no more info on it just yet, and then subsequent ones start unveiling more of the mystery, and pitting us against some recurring villains. It would be good to have rivals/nemeses for our characters. 
Just ideas at the moment, but I'd love to get an epic plot going with high-stakes action and adventure, starting off small and building up into a balls-out full-on conflict with huge set-pieces and larger-than-life events and situations.