How many stealths?

The term "stealths" can refer to various contexts, including military aircraft, technology, or even stealth tactics in gaming. If you're specifically asking about stealth aircraft, there are several notable examples, such as the F-22 Raptor, F-35 Lightning II, and B-2 Spirit, among others. If you have a specific context or type of stealth in mind, please clarify for a more precise answer.