The mission was originally supposed to end in May but has been extended repeatedly. Last week, it emerged that the USS George Washington has been rerouted from its position in the Pacific and will arrive in the Gulf within a week to take over duties from the Lincoln.

Historical Comparisons and Readiness Concerns

This situation invites comparison with other lengthy aircraft carrier deployments. The longest such mission since the Vietnam War was the USS Gerald R Ford’s 326-day mission, which began in June 2025. That mission included NATO exercises in the Mediterranean, support for the capture of Venezuelan President Nicolas Maduro, and operations in the Red Sea during the US-Israel war on Iran. The Ford moved from routine Asia Pacific deployment to the South China Sea, then to the Arabian Sea and Gulf of Oman to enforce the naval blockade of Iranian ports. During this time, the USS Ford faced technical problems, including an onboard fire, which triggered congressional scrutiny.

Historically, some of the longest deployments occurred during the Vietnam War in the Gulf of Tonkin. The USS Midway operated for 332 days, the USS Coral Sea for 329 days, and the USS Saratoga for 308 days. Reports indicated that the intense flight schedule of active air combat pushed crew and operations to their limits. While other nations have conducted lengthy deployments, such as Russia’s Admiral Kuznetsov’s five-month mission in 2016 and the UK’s HMS Queen Elizabeth’s seven-month deployment in 2021, they pale in comparison to the US Navy’s record and suffered their own significant technical breakdowns.

Many lawmakers have raised questions over whether the US can maintain an “indefinite” blockade in the Gulf if conditions on board a flagship aircraft carrier are so dire. In a letter to Hegseth last week, Democratic Senator Richard Blumenthal raised the alarm over reports of deteriorating mental health, shortages of basic supplies, water contamination, increased safety incidents, and disruptions to mail services. “These reports warrant immediate attention, but they also raise a broader question: whether the Navy can sustain the operational tempo now being demanded of its carrier force,” Blumenthal wrote, criticizing the administration for repeatedly committing forces to conflicts of its own choosing.

Experts emphasize that the lack of port stops is a major issue for the USS Abraham Lincoln. Harlan Ullman, a retired senior naval officer, told Al Jazeera that ships require onshore care to keep advanced technology operational. “Ships need maintenance, particularly ships that are extremely complicated with very advanced weapon systems such as nuclear-powered carriers,” Ullman said. He noted that extended deployments “erode the readiness and capability of that ship the longer it’s at sea,” and urged the administration to prioritize naval readiness over politics.

Aircraft carriers are built for months-long deployments, but extended cruises increase the risk of technical breakdowns and reduce staff morale. The USS Abraham Lincoln cost $2.2bn to build in 1989 and costs tens of millions of dollars daily to operate. Recent conflicts in the Red Sea have also underscored the vulnerability of large carriers, with Houthi rebels putting pressure on them near their missile range. During the US-Israel war on Iran, the USS Gerald Ford was forced to sail hundreds of miles away to avoid missile strikes, limiting its effectiveness.

Future Implications for Naval Strategy and Morale

The unfolding situation aboard the USS Abraham Lincoln highlights the unsustainable nature of indefinite carrier operations without adequate port access. As the USS George Washington prepares to relieve the Lincoln, the Navy must address the root causes of crew deterioration. If technical vulnerabilities and mental health issues continue to be overlooked in favor of political posturing, future naval blockades may become increasingly costly and less effective, potentially compromising US military supremacy in the region.