U.S. Carrier Strike Group Vulnerable to Attack After Oiler Runs Aground

By syhin_stas @Adobe Stock

John Konrad of gCaptain reports that the USS Big Horn, the only oiler the Navy has in the Middle East, ran aground. Forcing a carrier strike group to scramble for fuel. Konrad writes:

gCaptain has received multiple reports that the US Navy oiler USNS Big Horn ran aground yesterday and partially flooded off the coast of Oman, leaving the Abraham Lincoln Carrier Strike Group without its primary fuel source.

First reported on the gCaptain forum and by maritime historian Sal Mercogliano, a leaked video and photos show damage to the ship’s rudder post and water flooding into a mechanical space. US Navy vessels don’t typically transmit AIS signals, so we don’t know the exact location of the ship but a Navy source confirms she is anchored near Oman awaiting a full damage assessment.

Fortunately, no injuries or environmental damage have been reported for the ship. This is significant because the 33-year-old vessel is one of the single-hull versions of the Kaiser-class oilers.

“USNS Big Horn sustained damage while operating at sea in the U.S. 5th Fleet area of operations overnight on Sept. 23. All crew members are currently safe and U.S. 5th Fleet is assessing the situation,” according to a statement from a Navy official provided to Sam Lagrone at USNI News. […]

Compounding the problem is the fact that the Big Horn is the only oiler the Navy has in the Middle East. One shipowner told gCaptain that the Navy is scrambling to find a commercial oil tanker to take its place and deliver jet fuel to the USS Abraham Lincoln.

If the Navy resorts to using a commercial oil tanker as a temporary replacement, it would need to install a Consolidated Cargo Handling and Fueling (CONSOL) system for underway replenishment operations. This system includes specialized refueling rigs, tensioned fueling hoses, and high-capacity fuel pumps—all essential for safely transferring fuel to warships at sea. The tanker would also require robust communication and control systems to ensure precise coordination during refueling maneuvers. […]

Commercial tankers are significantly slower than Navy oilers, which could leave the USS Abraham Lincoln more vulnerable to attack during aviation fuel loading operations.

The Navy currently faces a severe shortage of oilers and crew to operate them. Earlier this month, the Navy announced it might lay up 17 replenishment and supply ships—including one oiler—due to difficulties recruiting U.S. Merchant Mariners. While the Navy has launched five new John Lewis Class oilers – including the USNSLucy Stone (T-AO 209) this week – and awarded NASSCO a $6.7 billion contract for eight more, challenges persist. […]

The grounding of USNS Big Horn is a stark reminder of the broader tanker crisis facing the U.S. military, as highlighted by Captain Steve Carmel, a former vice president at Maersk, in an editorial for gCaptain last year. The Department of Defense is projected to need more than one hundred tankers of various sizes in the event of a serious conflict in the Pacific. However, current estimates indicate that the DoD has assured access to fewer than ten, a dangerously low number that threatens to cripple U.S. military operations. Without sufficient tanker capacity, even the most advanced naval capabilities—including nuclear-powered aircraft carriers, which still rely on aviation fuel—will be rendered ineffective.

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