Rank 73 is the rank after 
Rank 72. No new researchers unlock here. At least 16 missions out of the 19 are needed to advance to 
Rank 74.
The 512 B Crop Duster mission may require a lot of comrades to complete, but is relatively easily by running BioDomes manually if you have 524k crit bonus in the Potato Industry.
| # | Name | Requirement | Reward |
|---|---|---|---|
| 1 | Land in the Hand! |  Collect 5.5 FFF Land
|
 Wood
|
| 2 | Science Rules! |  Collect 10,000 Science
|
 Stone
|
| 3 | Always Give 100%! |  Own 777 M Blood Banks
|
Wood
|
| 4 | Artillery Deployed! |  Own 8.4 B Artilleries
|
Wood
|
| 5 | Stronger than Dirt! |  Collect 253 DDD Ore
|
Wood
|
| 6 | Perfect for Nuclear Wessels! |  Own 10 B Nuclear Plants
|
Wood
|
| 7 | Promote Researchers |  Upgrade 2 Cards
|
Stone
|
| 8 | Hospitable Host-Pital! |  Own 9 B Hospitals
|
Stone
|
| 9 | More Potatoes, More Glory! |  Collect 63 LLL Potatoes
|
Wood
|
| 10 | Better than Friendship! |  Own 8.8 B Battleships
|
Stone
|
| 11 | Stronger than Dirt! | Collect 4.8 JJJ Ore
|
Wood
|
| 12 | Red Eye Flight! |  Own 737 M Airports
|
Stone
|
| 13 | More Potatoes, More Glory! | Collect 945 OOO Potatoes
|
Wood
|
| 14 | Coast Busters! |  Own 5,005 Coast Guards
|
Stone
|
| 15 | Better than Friendship! | Own 33 B Battleships
|
Stone
|
| 16 | Stronger than Dirt! | Collect 17 MMM Ore
|
Wood
|
| 17 | Red Eye Flight! | Own 2.8 B Airports
|
Stone
|
| 18 | A Healthy People! |  Collect 4.6 CCC Placebos
|
Wood
|
| 19 | A Must for Dusting! |  Own 512 B Crop Dusters
|
Stone
|
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