The HMS Incomparable was an ambitious design for a super battlecruiser envisioned by Admiral Sir Jackie Fisher in 1915. With specifications that included a displacement of 46,000 tons, six 20-inch guns, and an estimated top speed of 35 knots, it was an unparalleled concept for its time.
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However, its practical utility in World War II would have been questionable, as naval warfare had evolved dramatically by the 1940s. This article explores how Incomparable might have fared had it been built and survived into the Second World War.
Design Features of HMS Incomparable
The Incomparable was designed to outclass anything afloat by combining speed, firepower, and size. Its armament of six 20-inch guns would have made it the most heavily armed warship of its time, capable of outranging and outgunning any adversary. The ship’s projected speed of 35 knots would have allowed it to outrun slower battleships, while its sleek profile prioritized offensive capability over defensive resilience.
However, the design came with significant drawbacks. Its relatively light armor, intended to keep weight down and speed high, left it vulnerable to both surface and aerial attacks. Moreover, its enormous size and firepower would have made it a prime target for enemy forces.
Strengths in WWII Context
Firepower Supremacy: The Incomparable’s 20-inch guns would have made it unmatched in raw firepower. In a gun duel against contemporary battleships like Bismarck or Yamato, it could potentially deliver devastating long-range strikes.
Speed Advantage: With a top speed faster than most WWII capital ships, Incomparable could dictate engagements, choosing when to fight or disengage. This would have been useful for chasing commerce raiders or avoiding superior enemy fleets.
Range and Strategic Flexibility: Its long operational range, typical of Fisher’s designs, could have allowed it to operate effectively in the expansive Pacific and Atlantic theaters.
Limitations in WWII
Vulnerability to Aircraft: By the 1940s, air power dominated naval warfare. Ships like Prince of Wales and Repulse were sunk by Japanese bombers despite modern designs. The lightly armored Incomparable would have been even more susceptible to aerial torpedoes and bombs.
Outdated Role: The era of the battleship and battlecruiser as decisive naval forces was ending. Aircraft carriers had become the centerpiece of naval strategy, rendering massive gunships like Incomparable less relevant.
Operational Challenges: Maintaining a vessel of such size and complexity would have been resource-intensive. Its specialized ammunition and sheer scale would have posed logistical challenges, particularly in wartime conditions.
Submarine Threat: The ship’s size and limited underwater protection would have made it a prime target for submarines, an increasingly deadly threat during WWII.
Potential Roles
While Incomparable could have been used for psychological impact or as a commerce raider, these roles would have underutilized its immense firepower. In fleet actions, it would have required heavy escorting to mitigate its vulnerabilities, reducing its strategic flexibility.