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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