US Navy Ships Collide – Deadly 2017 Incidents Explained
In the span of just two months during 2017, two United States Navy destroyers collided with merchant vessels in separate incidents that claimed the lives of seventeen sailors. The collisions of the USS Fitzgerald and USS John S. McCain exposed systemic failures within naval operations, prompting far-reaching investigations and reforms across the fleet.
The USS Fitzgerald (DDG-62) struck the containership ACX Crystal off the coast of Japan on June 17, 2017, while the USS John S. McCain (DDG-56) collided with the tanker Alnic MC in the Singapore Strait on August 21, 2017. Both incidents were determined to be preventable, stemming from a combination of watchstander errors, inadequate training, leadership failures, and broader institutional complacency.
Official investigations revealed that these were not isolated accidents but rather symptoms of deeper problems affecting the surface fleet. The Navy’s subsequent response included sweeping policy changes, leadership accountability measures, and a comprehensive review of operational procedures across all naval commands.
What Are the Major US Navy Ship Collisions?
The two most significant naval collisions in recent history occurred in 2017, both involving Arleigh Burke-class destroyers operating in busy maritime corridors. These incidents prompted the largest examination of naval operational practices in decades.
June 17, 2017 | ACX Crystal | 7 fatalities
August 21, 2017 | Alnic MC | 10 fatalities
17 sailors lost | 2 destroyers damaged
111 recommendations | 75% implemented by 2019
Key Findings from Investigations
- Fatigue among bridge watchstanders contributed to errors in both incidents
- Communication breakdowns between bridge teams and Combat Information Centers
- Failure to adhere to basic navigational protocols and collision avoidance procedures
- Lack of senior officer oversight during critical evolutions
- Complacency stemming from extended periods without incident
- Inadequate training on ship control systems and emergency procedures
- Systemic disregard for lessons from prior near-miss events
| Incident | Date | Location | Vessel | Fatalities | Primary Cause |
|---|---|---|---|---|---|
| USS Fitzgerald | June 17, 2017 | Off Japan | ACX Crystal | 7 | Watchstander error, leadership absence |
| USS John S. McCain | August 21, 2017 | Singapore Strait | Alnic MC | 10 | Complacency, procedural non-compliance |
| Preceding Near-Miss | May 10, 2017 | Near Sasebo, Japan | N/A | 0 | Close call unheeded |
| USS Porter (Reference) | 2012 | Gulf of Oman | Oil tanker | 0 | Prior warning ignored |
Why Do US Navy Ships Collide?
Investigators identified multiple interconnected factors that led to the collisions. Neither incident resulted from a single catastrophic failure but rather from an accumulation of small errors that compounded into tragedy.
Bridging Communication Failures
On the Fitzgerald, the official investigation found a systematic breakdown in communication between the bridge and the Combat Information Center. Officers failed to share critical information about vessel contacts, and junior personnel hesitated to escalate concerns to their superiors. One officer, Lieutenant junior grade Sarah Coppock, reportedly avoided contact with the CIC and became consumed with paperwork during the critical period preceding the collision.
Leadership Gaps During Critical Operations
The Fitzgerald investigation revealed that the ship’s “triad” of commanding officer, executive officer, and command master chief were all absent during the critical navigational evolution. Routine violations of standing orders occurred on a bridge that frequently operated without senior officers present. This culture of absent leadership created an environment where basic precautions were routinely bypassed.
The Navy’s own records show that the Fitzgerald had a near-miss encounter near Sasebo, Japan, on May 10, 2017—more than a month before the fatal collision. That warning went unheeded, as did lessons from the 2012 collision involving the USS Porter in the Gulf of Oman.
Complacency and Procedural Failures
The John S. McCain collision revealed a different but equally troubling pattern. Investigators found that the commanding officer, Lieutenant Commander Alfredo J. Rodriguez, ignored repeated recommendations from his executive officer, navigator, and senior watch officer to properly man the sea and anchor watch teams. The crew demonstrated complacency and overconfidence, with personnel showing sub-standard knowledge of the ship control console.
During the collision sequence, the bridge team experienced confusion over a perceived loss of steering while attempting to overtake the Alnic MC tanker in a congested waterway. An improper transfer of thrust control location further complicated their ability to respond effectively.
Systemic Issues Identified by NTSB
The National Transportation Safety Board’s investigation into the McCain collision identified additional systemic problems, including the absence of VHF radio communication between the Navy vessel and the merchant tanker, inadequate bridge watchstander training, flaws in the Integrated Bridge and Navigation System design, and Navy policies regarding Automatic Identification System data. Fatigue among watchstanders was cited as a contributing factor in both incidents.
What Were the Investigation Results and Consequences?
The investigations into both collisions spanned multiple agencies and produced detailed findings that reshaped Navy policy. Official probes blamed crew and leadership failures while also identifying structural problems that pervaded the surface fleet.
Navy’s Official Findings
The Navy released investigation summaries for both collisions on November 1, 2017, assigning blame primarily to watchstander and leadership failures. However, a separate “dual-purpose” investigation conducted by Rear Admiral Brian Fort detailed extensive problems that went beyond the public findings. This probe, which remained classified, revealed indifferent officers, systemic lapses, and a culture that had grown complacent after years without serious incidents.
Independent NTSB Report
The National Transportation Safety Board published its Marine Accident Report (NTSB/MAR-19/01) on June 19, 2019, focusing on the McCain collision. The report, which contained redactions for Controlled Unclassified Information, examined procedural failures and design flaws in the ship’s navigation systems. The NTSB recommendations addressed training protocols, oversight mechanisms, and system design improvements.
By early 2019, the Readiness Reform Oversight Council reported implementation of nearly 75 percent of the 111 recommendations from top-level reviews. The Navy announced sweeping changes including enhanced sailor training, revised crew requirements, and updated safety protocols.
Media Revelations
On January 14, 2019, Navy Times published details from the secret Fitzgerald investigation that the Navy had withheld. A joint report by NBC News and ProPublica highlighted how ignored repair requests and postponed training sessions had contributed to the deteriorating readiness of naval vessels. The investigation also examined broader issues affecting the 7th Fleet, which oversaw operations in the Pacific theater where both collisions occurred.
Timeline of Key US Navy Ship Collisions
The sequence of events surrounding the 2017 collisions reveals a pattern of missed warnings and escalating incidents that ultimately led to the deadliest naval accidents in years.
- May 10, 2017: The USS Fitzgerald experiences a close call near Sasebo, Japan, but fails to recognize or act upon the warning.
- June 17, 2017: USS Fitzgerald collides with the merchant ship ACX Crystal in a busy shipping lane off Japan; seven sailors drown due to flooding in berthing areas.
- August 21, 2017: USS John S. McCain collides with the tanker Alnic MC while overtaking in the westbound lane of the Singapore Strait Traffic Separation Scheme; ten sailors perish.
- October 23, 2017: The Navy completes its Comprehensive Review of Surface Fleet Incidents, identifying broader systemic causes beyond the two collisions.
- November 1, 2017: The Navy publicly releases investigation summaries for both collisions, blaming crew and leadership failures.
- January 14, 2019: Navy Times publishes details from the secret Fitzgerald probe; reports reveal ignored repairs and postponed training.
- June 19, 2019: The NTSB releases Marine Accident Report (NTSB/MAR-19/01) on the McCain collision with recommendations for the Navy.
What Remains Clear and Uncertain?
While investigations established clear facts about the causes of the 2017 collisions, certain aspects of the incidents and their aftermath remain subject to ongoing examination. For more information, click on onatge de pel·lícula Outer Banks.
| Established Information | Unresolved Questions |
|---|---|
| Watchstander fatigue contributed to both collisions | Long-term effectiveness of implemented reforms |
| Leadership was absent or inadequate during both incidents | Current status of NTSB recommendations |
| Communication between bridge and CIC broke down | Whether systemic complacency persists fleet-wide |
| Prior near-misses went unheeded | Updated readiness assessments beyond 2019 |
| Training and maintenance had been postponed | Full details of secret investigations remain classified |
Broader Context of the Collisions
The Fitzgerald and McCain collisions occurred against a backdrop of increasing operational demands on the Navy’s surface fleet. Both vessels were part of the 7th Fleet, which maintained a high operational tempo in the Pacific theater. The incidents prompted examination of whether stretched resources and accelerated deployment schedules had contributed to degraded readiness.
The collisions also drew attention to the challenges Navy vessels face in congested shipping lanes, where merchant traffic follows established traffic separation schemes. Both the Japan coast and the Singapore Strait rank among the world’s busiest maritime chokepoints, requiring constant vigilance from watchstanders.
The Navy reported “significant progress” in implementing reforms by 2019, but available public records do not provide detailed updates on whether additional collisions have occurred or how thoroughly the remaining recommendations have been addressed. The broader implications for naval readiness and operational safety continue to be studied by military analysts and policymakers.
Official Sources and Statements
The Navy released official investigation summaries on November 1, 2017, attributing both collisions to failures at multiple levels. According to the Comprehensive Review led by the Chief of Naval Operations, the accidents revealed “cumulative effects” of systemic issues within the surface fleet. The report emphasized that both collisions were avoidable and resulted from departures from established procedures.
The collisions were not happenstance. They resulted from widespread complacency and a failure to adhere to basic principles of safe navigation and watchstanding.
— Navy Comprehensive Review, October 2017
The NTSB report on the McCain collision provided detailed technical analysis, noting that the Integrated Bridge and Navigation System had design flaws that could confuse operators. The report recommended comprehensive review of system interfaces, enhanced training protocols, and policy changes regarding communication between naval and merchant vessels.
Summary
The 2017 collisions of the USS Fitzgerald and USS John S. McCain revealed profound failures in naval operations that extended far beyond individual watchstander errors. Investigators documented how fatigue, complacency, inadequate training, and leadership absences combined to create conditions for disaster. The Navy’s response included sweeping reforms and accountability measures, though the full implementation of recommendations remains an ongoing process. For a broader perspective on how organizations respond to similar operational failures, examining crisis management approaches across different sectors provides valuable context.
Frequently Asked Questions
How many sailors died in the 2017 Navy ship collisions?
Seventeen sailors died across the two incidents: seven from the Fitzgerald collision and ten from the McCain collision.
What ships were involved in the collisions?
The USS Fitzgerald (DDG-62) struck the containership ACX Crystal, while the USS John S. McCain (DDG-56) collided with the tanker Alnic MC.
Were the collisions avoidable?
According to Navy investigations and the NTSB, both collisions were avoidable and resulted from failures to follow established procedures and basic navigational principles.
What reforms did the Navy implement after the collisions?
The Navy enhanced sailor training, revised crew requirements, updated safety protocols, and established the Readiness Reform Oversight Council to implement 111 recommendations from top-level reviews.
Have there been more Navy ship collisions since 2017?
Public records available up to 2024 do not document additional major collisions comparable to the 2017 incidents, though comprehensive fleet-wide data may not be publicly available.
Who led the investigations?
The Navy conducted multiple investigations including probes led by the Chief of Naval Operations. Rear Admiral Brian Fort led a separate “dual-purpose” investigation into the Fitzgerald collision. The NTSB conducted an independent investigation into the McCain collision.
What caused the watchstander errors?
Investigators cited fatigue, inadequate training, complacency from extended periods without incidents, and failures in communication between bridge teams and Combat Information Centers.
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