The most common and most likely answer to this crossword clue is the 9 letter word AEROSPACE
I've seen this crossword clue in The Daily Telegraph
A
E
R
O
S
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A
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E
More clues leading to the result AEROSPACE
- Love speed, joining a modern industry
- Love coming in fast — the stuff of jets and rockets
- Aviation industry maybe quickly getting around upset, making a comeback
- Love to be involved in moving fast – NASA’s speciality?
- Industry for high flyers rapidly embracing lust
- Rose incredibly swiftly across the Earth’s atmosphere and beyond
- Astronaut’s first love and maybe a step forward for the rocket industry
- This business arose controversially on Cape complex
- Nasa’s speciality quickly harbours love
- A winged god's speed in air during flight
Buddy explains!

The straight part
We know that "Nasa’s speciality" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case nasa’s speciality = aerospace.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does AEROSPACE mean?
AEROSPACE noun- The atmosphere of the Earth and the region of space around it.
- The industry concerned with aircraft, missiles, satellites and spacecraft.
- Of, or relating to the Earth's atmosphere and nearby space.
- Of, or relating to the science, technology and industry associated with aircraft, missiles, satellites and spacecraft.