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| USNS Mirfak | |
|---|---|
| Ship name | Mirfak |
| Ship namesake | Mirfak (Alpha Persei) |
| Ship class | Sirius-class cargo ship |
| Ship operator | Military Sealift Command |
| Ship registry | United States |
| Ship launched | 1957 |
| Ship acquired | 1958 |
| Ship decommissioned | 1973 |
| Ship displacement | 7,500 tons (full load) |
| Ship length | 450 ft |
| Ship beam | 63 ft |
| Ship propulsion | Diesel engines, single screw |
| Ship speed | 16 kn |
| Ship crew | Civilian crew with Navy detachment |
USNS Mirfak
USNS Mirfak was a United States Navy auxiliary cargo ship operated by the Military Sealift Command during the Cold War era. She served in logistics, underway replenishment, and sealift roles supporting the United States Navy, United States Marine Corps, and allied operations in the Atlantic and Pacific theaters. Commissioned into service amid Cold War strategic sealift expansion, Mirfak carried supplies, vehicles, and ammunition between major bases and forward-deployed units.
Mirfak was laid down in 1956 at the Bethlehem Steel shipyard in Sparrows Point, Maryland, built to the Sirius-class general cargo design influenced by World War II-era Liberty ship and Victory ship concepts. Her hull form and cargo handling arrangements reflected postwar advances promoted by MarAd planners and the Maritime Commission modernization programs. Shipbuilders incorporated welded construction techniques refined after lessons from SS Robert E. Peary and structural standards promulgated following the USS Hobson (DD-464) investigations. The propulsion plant was standardized across sister ships to simplify logistic support coordinated with Naval Sea Systems Command supply chains.
The vessel was acquired by the Navy under a long-term contract with the Department of Defense and placed under the operational control of the Military Sealift Command, known then as the Military Sea Transportation Service. Her name, Mirfak, followed a tradition of naming auxiliary ships after stars and constellations, paralleling vessels like USNS Sirius (T-AFS-8) and USNS Denebola (T-AKR-289). Naming approvals were routed through the Secretary of the Navy and reflected a postwar intent to preserve navigational and astronomical nomenclature exemplified by earlier auxiliaries named for celestial bodies such as SS Polaris and USNS Vega.
Following delivery in 1958, Mirfak operated primarily on transatlantic and transpacific routes linking Norfolk Naval Station, Fleet Activities Yokosuka, Guam, and logistics hubs in Bremerton, Washington and Subic Bay. Her missions supported major Cold War events including sustainment rotations during the Berlin Crisis of 1961 and logistics surges associated with the early phases of the Vietnam War. Mirfak participated in joint operations with the Sixth Fleet and Seventh Fleet, interfacing with aircraft carriers such as USS Enterprise (CVN-65) and amphibious groups centered on USS Boxer (LPH-4). Crewed by civilian mariners from the American Merchant Marine with a small Navy detachment for communications and ordnance oversight, she functioned within MSC's broader program alongside sister ships like USNS Procyon.
Mirfak's general characteristics reflected Sirius-class standards: approximately 7,500 tons full load displacement, 450 feet length overall, and a 63-foot beam permitting access to major naval piers and narrow canal approaches like the Panama Canal. Propulsion comprised medium-speed diesel engines driving a single screw for a service speed near 16 knots, enabling convoy and independent steaming compatible with Military Sealift Command schedules. Cargo handling featured multiple kingpost booms and cargo derricks adapted for palletized loads, vehicle decks sized for armored vehicles employed by United States Army and United States Marine Corps units, and refrigerated holds for perishables destined for forward bases such as Subic Bay and Guantánamo Bay Naval Base. Communications and navigation suites were upgraded during her service in accordance with guidance from Naval Communications Command and integrated equipment standards influenced by MIL-STD protocols.
Mirfak carried supplies during contingency operations, sustaining forward-deployed units during crises such as the Cuban Missile Crisis aftermath logistics posture and operational support for Operation Frequent Wind evacuation preparations. She delivered ammunition and spare parts to carrier task groups involved in Operation Rolling Thunder maritime logistics loops and executed replenishment missions coordinated with Military Sealift Command tasking orders. Humanitarian and disaster relief tasks included delivering relief cargo in response to typhoons affecting bases in the Philippine Islands and supporting infrastructure restoration in concert with agencies like the United States Agency for International Development when directed by Pacific Command authorities. Mirfak also participated in multinational exercises with NATO partners such as Exercise Teamwork and bilateral resupply operations with navies of Japan, Australia, and South Korea.
After a service life spanning the late 1950s through the early 1970s, Mirfak was removed from active MSC service as newer roll-on/roll-off and containerized logistics vessels—such as USNS Gopher State (T-ACS-4) and dedicated sealift ships—entered the fleet. The ship was struck from the Naval Vessel Register and disposed of according to Maritime Administration procedures; options considered at the time included transfer to the National Defense Reserve Fleet, sale to commercial operators, and scrapping at yards experienced with auxiliary dismantling such as those in Brownsville, Texas or Sparrows Point, Maryland. Ultimately, Mirfak was sold for scrap in the mid-1970s, concluding a career that bridged vintage merchant designs and the modern strategic sealift era.
Category:Auxiliary ships of the United States Navy Category:Cold War auxiliary ships of the United States