USNS Vanguard
Naval vessel · built 1944
In short
USNS Vanguard (Naval vessel) has no AIS position on record with Voydar.
- Vessel type
- Naval vessel
- Flag
- —
- Year built
- 1944
- Gross tonnage
- 15,309
- Size (length × beam)
- —
- Registered owner
- —
Watch this ship
Get an email when USNS Vanguard arrives or leaves port, changes destination, name, flag or owner, or is sanctioned, detained or named in an official release.
We email you a link and a code. That creates a free account, no password or card, and follows USNS Vanguard.
Free account, no card: follow up to 5 ships and ports. Plus follows 50, Pro 500.
By continuing you accept the Terms and the Privacy policy.
Last reported position
No AIS position on record for this vessel. Identity and particulars are below.
A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)
Try the live demo, no sign-upIdentity & particulars
- Name
- USNS Vanguard
- IMO numberWhat is an IMO number?
- 8835607
- MMSIWhat is an MMSI?
- —
- Call signWhat is a call sign?
- —
- Flag
- —
- Vessel type
- Naval vessel
- Gross tonnageGross tonnage vs deadweight
- 15,309
- Length overall
- —
- Beam
- —
- Year built
- 1944
A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.
Ownership & management
Each line shows where the fact comes from. Links backed by an identifier point to the company page.
- Operator
- Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
- Builder
- Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
About USNS Vanguard
SS Mission San Fernando was a Type T2-SE-A2 tanker built for the United States Maritime Commission during World War II. After the war she was acquired by the United States Navy as USS Mission San Fernando (AO-122). Later the tanker transferred to the Military Sea Transportation Service as USNS Mission San Fernando (T-AO-122). She was a member of the Mission Buenaventura-class oiler and was named for Mission San Fernando Rey de España in Los Angeles. She was later renamed USNS Muscle Shoals (T-AGM-19) (after Muscle Shoals, Alabama), and, later, USNS Vanguard (T-AG-194).
Summary from Wikipedia, licensed CC BY-SA.
Frequently asked questions
- Where is USNS Vanguard now?
- Voydar has no displayable AIS position for USNS Vanguard in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
- What kind of ship is USNS Vanguard?
- USNS Vanguard is a naval vessel, built in 1944 by Marinship. The vessel has a gross tonnage of 15,309.
- What sanctions and inspection records does Voydar hold for USNS Vanguard?
- Voydar has no matched sanctions record displayed for USNS Vanguard from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for USNS Vanguard. Missing records do not establish whether the ship has been detained.
Sister ships
Ships of the same class, Mission Buenaventura-class fleet oiler (source: Wikidata).
Neighbouring IMO numbers
IMO numbers are issued in sequence. These are the nearest numbers below and above this ship's that have a full Voydar profile.
Use this data
This page is also available as JSON, free, with the source and licence of every section. Sections whose sources do not permit redistribution are listed as withheld.
GET /api/v1/vessels/8835607Using this data in code?
Every account gets a personal API allowance: 2,500 credits a month free, 25,000 with Pro. Pro adds internal business use; API plans add building the data into your own products.