Faster trips to Mars after major new development to build nuclear powered rocket

[GoldfishLord]

Faster trips to Mars after major new development to build nuclear powered rocket

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The bold part is not a sentence.
What words are implied in the bold part?

 

[Tarheel]

Nothing is implied. It says the new (nuclear-powered) rockets will go faster than previous rockets, and it will take them less time to get to Mars.

 

[GoldfishLord]

What's the role of the "to" in "new development to build"?

 

[jutfrank]

Faster trips to Mars will be possible with this new technology.

 

[jutfrank]

What's the role of the "to" in "new development to build"?

An orientation toward the future. Here's a similar example:

I have plans to visit my family this weekend.

 

[emsr2d2]

Headlines, and captions on photos, frequently don't constitute complete sentences. They need to get the maximum amount of information across in the lowest number of words (due to the space limitations).