Figured I'd post a solution with challenges I've completed since i just got it. I primarily play Heroes vs Villains and galactic assault.
The achievement includes challenges from the Multiplayer, Troopers, Heroes, and Starfighter categories.
Multiplayer: 16/27
Getting started - Defeat 5 enemies
Warming up - Defeat 25 enemies
Getting the hang of this - Defeat 100 enemies
Helping the team - Defeat 250 enemies
Partake in the conquest - play a match of galactic conquest
Take it to the stars - play a match of Starfighter assault
Blast the enemy - play a match of blast
Quick strike - play a match of strike
Be the hero or villain - pay a match of heroes vs villains
Objective complete - capture an objective
Played them all - play as all troopers for 10 minutes each
Become the hero - play as any hero for 10 minutes
Testing all the controls - play as all Starfighter ship classes for 10 minutes each
First blood - be the first to defeat an enemy
One helluva pilot - get a killstreak in a light side hero ship
Stay in attack formation - get a killstreak in a dark side hero ship
Troopers 6/72
Beginning of the assault - play as assault for 10 minutes
Assault battle training - Defeat 25 enemies as assault
Starting out as a heavy - play as a heavy for 10 minutes
Assume the officer role - play as an officer for 10 minutes
Officer battle training - Defeat 25 enemies as an officer
Become a specialist - Play as a specialist for 10 minutes
Hero 3/42
Chewbacca's stun - use Chewies shock grenade ability on 10 enemies
Predatory instinct - have Bossk's predatory instinct ability active for 2 minutes
Paralyzed with fear - freeze 25 enemies with Kylo ren's freeze ability
Starfighter 0/33