The US Navy commissions its first class of diesel-powered submarines.

The E-Class Submarines: Pioneering Vessels of the United States Navy

The E-class submarines represented an early yet crucial chapter in the development of the United States Navy's underwater fleet. Comprising two distinct vessels, USS E-1 (SS-24) and USS E-2 (SS-25), these submarines were instrumental in advancing American naval capabilities in the early 20th century. Their construction was a collaborative effort, with the esteemed Fore River Shipbuilding Company of Quincy, Massachusetts, undertaking the build under a significant subcontract from the pioneering Electric Boat Company. Electric Boat, renowned for its foundational contributions to submarine design and manufacturing, played a pivotal role in shaping the U.S. Navy's early submarine doctrine and technology.

Designed for Coastal and Harbor Defense

Prior to the tumultuous outbreak of World War I, the primary strategic mandate for the E-class submarines was focused squarely on coastal and harbor defense. In an era where naval warfare was rapidly evolving, these relatively compact vessels were conceived to safeguard vital maritime approaches and strategic ports from potential enemy incursions. Their operational role involved patrolling the littoral zones, acting as a stealthy deterrent against surface vessels and other threats aiming to compromise American territorial waters. This initial deployment provided the Navy with invaluable practical experience in submarine operations, crew training, and the refinement of early underwater warfare tactics.

Wartime Service and Critical Training Roles

With the profound shift in global geopolitics marked by the onset of World War I, the strategic employment of the E-class submarines evolved. While the majority of these early submarines transitioned into vital training platforms, where new crews honed their skills and advanced submarine tactics were developed, one vessel notably engaged in direct combat operations. The USS E-1 (SS-24) embarked on a series of crucial war patrols, operating from a strategic base in the Azores archipelago. These patrols were a testament to the crew's endurance and the vessel's capabilities, particularly in contributing to anti-submarine warfare efforts against German U-boats that posed a significant threat to Allied transatlantic shipping lanes. These real-world deployments provided an unprecedented test of the submarines' design and the resilience of their crews in hostile operational environments.

Lessons Learned: The North Atlantic's Harsh Realities and Bridge Design

It was during these demanding North Atlantic operations, characterized by relentless gales, heavy seas, and extreme cold, that a critical design deficiency of the E-class submarines became acutely apparent. The rudimentary "piping-and-canvas" temporary bridge structures, which were initially deemed sufficient, proved woefully inadequate for the unforgiving conditions encountered in the open ocean. These makeshift arrangements compromised the safety and effectiveness of watchstanders, severely impacting crew endurance and overall operational efficiency in a combat zone. This vital discovery underscored an urgent need for robust, permanent bridge structures for future submarine designs, a pivotal lesson that would profoundly influence subsequent naval engineering, ergonomics, and submarine architecture, ensuring greater safety and operational capability in challenging maritime conditions.

Frequently Asked Questions About the E-Class Submarines

What was the primary role of the E-class submarines before World War I?
Prior to World War I, the E-class submarines were predominantly used for coastal and harbor defense, protecting vital maritime approaches and strategic ports for the United States Navy.
How many submarines were in the E-class, and what were their names?
The E-class consisted of two submarines: USS E-1 (SS-24), initially named *Skipjack*, and USS E-2 (SS-25), initially named *Sturgeon*. Their original names were later dropped in favor of alphanumeric designations.
Where were the E-class submarines constructed?
They were built by the Fore River Shipbuilding Company in Quincy, Massachusetts, under a subcontract from the Electric Boat Company, a key pioneer in early submarine development.
What significant operational lesson was learned during their World War I service?
During World War I patrols, particularly in the North Atlantic, it was discovered that their temporary "piping-and-canvas" bridge structures were insufficient for harsh ocean conditions. This highlighted the critical need for more robust, permanent bridge designs in future submarine construction.
Did both E-class submarines engage in combat patrols during WWI?
While most E-class submarines primarily served as training vessels during World War I, USS E-1 notably conducted actual war patrols from a base in the Azores, contributing to anti-submarine efforts in the North Atlantic.