The Rocket Ship's mana is counted as crew members. A new crew member is recruited every 10 seconds and existing ones are checked. Each crew member grants 0.5% attack speed and trigger chance.
Level Bonus: +1 crew member gained at level 15 and 25
Release Probe
On damage the Rocket Ship has a 10% chance to release a probe at the cost of 5 crew members. The probe attacks every 0.33 seconds and deals 8% of the tower's attackdamage for 3 seconds. Damage is Physical. The probes are shoddily made and 33% of them explode dealing Decay damage up to 50% of the tower's attackdamage. Upon a safe return 4 crew members make it back.
The Rocket Ship can recruit 3 more crew members for the cost of [wave level * 3] gold
Upgrade
For the cost of 1000 gold the rocket ship can upgrade itself in various ways. 10 upgrades and 500 cost increase. First upgrade, Explosive Rockets, grants 8% of attack damage as Elemental damage in a 150 AoE on damage Second upgrade, Stronger Fuel, makes probe explosions deal 25% increased damage Third upgrade, Hastier Crew, improves crew bonus by 0.25% Fourth upgrade improves Explosive Rockets by 8% Fifth upgrade improves the seatbelts of probes Sixth upgrade improves Stronger Fuel by 25% Seventh upgrade improves Hastier Crew by 0.25% Eighth upgrade improves Explosive Rockets by 8% Ninth upgrade improves Explosive Rockets AoE by 150 Tenth upgrade doubles probe damage
Specials:
Crew Members 
Release Probe 
Recruit 
Upgrade