The phrase "attack trench" is correct and usable in written English.
It can be used in military or gaming contexts to refer to a defensive position or structure designed for launching attacks or providing cover during combat.
Example: "The soldiers took cover in the attack trench, preparing for the enemy's advance."
Alternatives: "assault trench" or "offensive trench".
On 4 February, the battalion's commanding officer received the order to attack Stormy Trench; it was during this action that Murray would earn his Victoria Cross.
Half of the 1/8th Battalion, Hampshire Regiment attacked Burj Trench while the other half attacked Triangle Trench, although it was not their objective.
The crucial elements in attacking a trench system, surprise and overwhelming numbers of infantry, were thus almost impossible to attain.
The American commanders decided to attack the trenches with artillery, while sending a large group to Barranquitas, from which they would try to attack the allied troops from the back.
She once told a story when "about half a hundred frenzied fascists with wild cries" attacked a trench accommodating twelve female snipers, including Shanina: "Some fell from our well-aimed bullets, some we finished with our bayonets, grenades, shovels, and some we took prisoners, having restrained their arms".
However, Mr. Keegan teases out the Civil War's parallels with World War I with great aplomb, from how troops were mobilized through methods of attacking enemy trenches.
The Turkmen fought off initial attacks, building trenches and fortified posts across Amerli to defend their positions.
In early June, alongside the 28th Battalion, they took part in the first raid undertaken by Australians in France, attacking German trenches around Bois Grenier.
Ten minutes later the New Zealand Mounted Rifles Brigade, with fixed bayonets, attacked the trenches to the east of some houses and the 10th Light Horse Regiment, by now advancing from the south, captured two trenches on that side, effectively cutting off any retreat for the Ottoman garrison.
Then, after absorbing multiple wounds from the grenade blast, Sabo attacked the enemy trench, killing two soldiers with a grenade of his own, and helped his injured ally to the shelter of a nearby treeline.
