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Naval support & landing craft1986–present
Hospital ship
Mercy-class hospital ship is a hospital ship. It was built by National Steel and Shipbuilding Company. Reported operators include United States Navy.
Mercy class
National Steel and Shipbuilding Company
United States Navy
Haven class
1974–1976 as San Clemente -class oil tankers
1986–present
2
2
Hospital ship
69,360 long tons (70,473 t)
894 ft (272 m)
105 ft 7 in (32.18 m)
Two boilers, two GE turbines, one shaft, 24,500 hp (18 MW)
17.5 knots (32.4 km/h; 20.1 mph)
12 civilian and 58 military during Reduced Operating Status 61 civilian and 1,214 military during Full Operating Status
76 hours
Multiple crew served machine gun mounts Small arms
Helicopter landing deck
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country of origin United States 0 references
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 272 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 272 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 272 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 272 m | Wikipedia contributors | approved |
| 28 Sept 2026 | 272 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 272 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 272 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 272 m | Wikipedia contributors | superseded |
Mercy-class hospital ship equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Service Support (PM4) exact named equipment holdings: Mercy. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: LOGISTICS AND SUPPORT / AH. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Reported count for Mercy -class. Service scope: Navy (MSC); does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Excludes retired/reserve/on-order rows. Count column(s): active: 2. Origin: unstated. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.