From their website:
Four new expansion boxes are now on sale for the Dust Tactics line! These expansions will be available in premium painted edition to expand the Dust Tactics Deluxe Edition, as well as primed and unpainted for the Dust Tactics Core Set. Offering even more options when building your Allied and Axis armies, these expansions will take your game to a new level. Pick up these exciting new squad boxes today from your local hobby games retailer or our webstore!