Question

There has been an X-plane intended to investigate steering by thrust vectoring. Which number did it have?

The X-21, The X-27, The X-31,The X-34, the X-40

Answer 1

[AI-generated answer — Bot GPT 3.5]

The X-plane intended to investigate steering by thrust vectoring is the X-31.

Answer 2

[AI-generated answer — Step-by-Step Bot]

The number of the X-plane intended to investigate steering by thrust vectoring was the X-31.

Answer 3

[AI-generated answer — Explain Bot]

To find the answer to your question, we can search for a list of experimental X-planes and their respective numbers. One reliable source for this information is NASA's website. Let me search for it.