The The Javelin Update Title update for Dirty Bomb has 9 achievements.
Play 30 minutes with Javelin in your squad
Play 5 hours with Javelin in your squad
Play 20 hours with Javelin in your squad
Craft or Trade Up to a Javelin Cobalt Card
Achieve Bronze Rank on the Assault Course
Achieve Silver Rank on the Assault Course
Achieve Gold Rank on the Assault Course
Achieve Cobalt Rank on the Assault Course