The Imperial Fists Legion committed almost its entire fleet of warships to the prosecution of the Warmasters traitors at the Isstvan system, a naval force rivalling the grandest Expeditionary fleets of the Great Crusade. In addition to the hundreds of battleships, cruisers, destroyers and frigates of a staggering array of classes and displacements, the fleet was possessed of thousands of smaller attack craft used for a variety of roles in any battle in the cold void. At the Battle of Phall, all were pressed into service, and no effort was spared during the engagement against the Traitor Iron Warriors.

帝國之拳軍團幾乎派出了整支艦隊的戰(zhàn)艦前去討伐伊斯特萬星系的戰(zhàn)帥派叛軍，這是一股匹敵大遠征時期最為強大的遠征艦隊的海軍力量。除了數(shù)以百計的一系列噸位和等級驚人的戰(zhàn)列艦、巡洋艦、驅(qū)逐艦和護衛(wèi)艦，這支艦隊還配備了數(shù)以千計的突擊艇，它們體積更小，在冰冷的虛空中，它們能夠用于所有虛空戰(zhàn)的多種任務(wù)。在法爾海戰(zhàn)當中，所有突擊艇都被迫參戰(zhàn)，在戰(zhàn)斗中不遺余力地對抗鋼鐵勇士叛軍。

The Imperial Fists had access to a wide range of attack craft, some unique and pre-dating the Great Crusade and others wrought in their thousands in the forges of Terra, Mars and dozens of other centres of materiel production. The Thunderhawk Gunship saw service in void combat intercepting enemy torpedoes, screening larger vessels and mounting daring attack runs against the foes lighter escort ships. Dedicated boarding craft such as the Kharybdis and the Dreadclaw were fired across the void to burn their way through the armoured flanks of an enemy. One of the most potent craft in this class was the Caestus Assault Ram, a brutal weapon used in large numbers by the Imperial Fists Legion throughout the Great Crusade.

帝國之拳突擊艇的種類豐富，在泰拉、火星的鑄造廠和數(shù)十個其他的軍備制造中心里，某些獨一無二型號、大遠征之前的型號與其他型號的突擊艇被成千上萬地鑄造出來。雷鷹炮艇負責在虛空戰(zhàn)斗中攔截敵人的魚雷，掃描大型艦船，并發(fā)起大膽的攻擊，攻擊敵人的輕型護航船。諸如海妖和恐懼爪這類的專用突擊艇會被發(fā)射到太空當中，他們會燒穿戰(zhàn)艦側(cè)面的裝甲船體，清出一條道路（機仆：帝國的突擊艇船頭基本都有重熱熔，融穿精金裝甲船體足夠了）。拳套突擊艇是最為強力的突擊艇之一，帝拳軍團對于這種殘忍武器的大量使用貫穿了大遠征的始終。

The Caestus is possessed of the heaviest armour of any craft of its size, but even this is insufficient to protect it from the staggering forces generated when it smashes and burns its way through enemy armour to create a breach into which its passengers can assault the innards of its target. The craft is further protected by an array of shield generators, and without its inertial dampers even the Space Marines within would be crushed by the impact.

雖然在相同尺寸的突擊艇當中，拳套突擊艇的裝甲最為厚重，但是當它撞開并燒穿敵軍戰(zhàn)艦的裝甲，為搭載的跳幫部隊創(chuàng)造出一條對敵艦內(nèi)部結(jié)構(gòu)進行攻擊的通道時，即是這層厚重裝甲也無法保護突擊艇免受過程中產(chǎn)生的巨大力量的傷害。一組護盾發(fā)生器陣列為突擊艇提供了額外的保護，如果沒有它的慣性阻尼器，甚至艇內(nèi)的星際戰(zhàn)士也會被撞碎。

The Imperial Fists were masters in the deployment of entire attack wings of the Caestus, utilising them according to the Legions doctrine that void battles were in essence sieges in space fought not in two, but in three dimensions. They committed hundreds of Caestus to the Battle of Phall and though scores were lost as the void itself burned with the sheer ferocity of the battle, numerous boarding actions were successfully conducted and dozens of Iron Warriors warships were reduced to burning hulks thanks to the efforts of their crews.

帝國之拳是部署整支拳套突擊艇攻擊編隊的大師，他們對于拳套突擊艇的使用依據(jù)了第七軍團的信條：本質(zhì)上，虛空戰(zhàn)是在太空中進行圍攻戰(zhàn)，不是二維作戰(zhàn)，而是三維作戰(zhàn)。在法爾海戰(zhàn)當中，帝國之拳派出了數(shù)以百計的突擊艇，雖然很多突擊艇被太空中熊熊燃燒的激烈戰(zhàn)火所摧毀，但帝國之拳還是成功實施了大量的跳幫行動，由于這些跳幫部隊的英勇奮戰(zhàn)，數(shù)十艘鋼鐵勇士戰(zhàn)艦化為了燃燒著的殘骸。