Tank Commander,
The
X
121
medium tank will let you hit your enemies hardest when they least expect it!
The 121 will be improved in the upcoming update to be sturdier and better at damaging your enemies, especially in close combat. That will make it a hard-hitting beast to have as a mainstay in your garage!
Highlights:
- [In-game] Enjoy free x5 EXP daily missions and discounts on credit costs of vehicles as you work your way to the Tier X.
- [Premium Shop] Looking to accelerate your progress? Look for our Fast on Track Bundles!
The missions are at the bottom of the article. Check there for mission details!
Attractive 
Sale ends: - Mission: On Track - Crew XP
- Mission: Top of the Tree - Damaging Push
- Mission: Top of the Tree - Push Through!
- Mission: On Track — 121
- Tech Tree Discounts
Description:
Play a battle and be among the top 7 EXP earners on your team.
Conditions:
- Must use the following vehicles:
- Random/Grand Battles only
Rewards:
x2 Crew EXP
x2 Crew EXPDescription:
Deal 15,000 HP of damage over any amount of battles
Conditions:
- Must use the following vehicles:
- Random/Grand Battles only
- 10 times per account only
Rewards:
- 6,500
1x Personal Reserves: +50% XP (Duration: 1 hour)
Description:
Deal 150,000 HP of damage in any amount of battles
Conditions:
- Must use the following vehicles:
- Random/Grand Battles only
- Once per account only
Rewards:
- 20,000
Description:
Play 5 battles and be among the top 10 XP earners on your team.
Conditions:
- Must use the
X
121
- Random/Grand Battles only
- Repeatable
Rewards:
- 1x Personal Reserves: +300% Crew EXP (Duration: 1 hour)
1x Large Repair Kit 
1x Large First Aid Kit
1x Automatic Fire Extinguisher