The term class 2 could refer to:
- Class 2 comet
- Class 2 inspection
- Class 2 nebula
- Class 2 plasma storm
- Class 2 probe
- Class 2 shuttlecraft
- Class 2 signal
You may also be looking for:
- RCL type-2 matrix field, a type of matrix field
- Type 2 phaser, a type of phaser
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