The most common and most likely answer to this crossword clue is the 10 letter word BRIDGEHEAD
I've seen this crossword clue in The Times
B
R
I
D
G
E
H
E
A
D
More clues leading to the result BRIDGEHEAD
- Brigade he’d manoeuvred to make strong position
- Violin piece by leader in strong position
- Son leaves Waugh’s house, skirting key part of fortification
- Top after game advanced position
- Established position of one at the top of their game?
- Secured position moving badger hide
- Game boss producing good position for expansion
- Advanced position for hide: badger annihilated
- Game commander advanced position
- Foothold established by game of cards with boss
Buddy explains!

The straight part
We know that "strong position" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case strong position = bridgehead.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 BRIDGEHEAD mean?
BRIDGEHEAD noun- An area around the end of a bridge.
- A fortification around the end of a bridge.
- An area of ground on the enemy's side of a river or other obstacle, especially one that needs to be taken and defended in order to secure an advance.
- Either of the two atoms in different parts of a molecule that are connected by a bridge of two or more other atoms