The most common and most likely answer to this crossword clue is the 8 letter word COMMANDO
C
O
M
M
A
N
D
O
More clues leading to the result COMMANDO
- Company receives order beginning to march with soldier
- Soldier died in company with second soldier
- Soldier married in Macondo originally
- Order nothing for special soldier
- Soldier going this way is unbriefed?
- Soldier, heading for noisy party
- Regular mostly keeps together with specially trained soldier
- Committee chap at party for a military unit
- Company keeping order beginning to march with soldier
- Army unit arriving half-cut at stag party?
Buddy explains!

The straight part
We know that "special soldier" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case special soldier = commando.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 COMMANDO mean?
COMMANDO noun- A small fighting force specially trained for making quick destructive raids against enemy-held areas.
- A commando trooper
- An organized force of Boer troops in South Africa; a raid by such troops