UGM-133 Trident II

1. UGM-133 Trident II · Wikipedia revision 1373318904 ↗

   Type

   Infobox · Type

   SLBM

   Place of origin

   Infobox · Place of origin

   United States

   In service

   Infobox · In service

   1990–present

   Used by

   Infobox · Used by

   United States Navy Royal Navy

   Manufacturer

   Infobox · Manufacturer

   Lockheed Martin Space

   Unit cost

   Infobox · Unit cost

   $30.9 million (1987 USD) ($87.6 million in 2025 dollars)

   Produced

   Infobox · Produced

   1983

   Mass

   Infobox · Mass

   130,000 lb (59,000 kg)

   Length

   Infobox · Length

   44 ft 6.6 in (13.579 m)

   Diameter

   Infobox · Diameter

   6 ft 11 in (2.11 m) (1st stage)

   Warhead

   Infobox · Warhead

   United States 1–8 Mk-5 RV / W88 (475 kt) or 1–12 Mk-4 RV/ W76-0 (100 kt) or 1–12 Mk-4A RV/ W-76-1 (90 kt) or Mk-7 RV/ W93 (planned) Single or multiple W76-2 (5–7 kt) United Kingdom Mk-4A RV/Holbrook (100 kt) Mk-7 RV/ A21 Astraea (planned)

   Engine

   Infobox · Engine

   Three solid-fuel rocket motors; first & second stage – Thiokol / Hercules solid-fueled rocket; third stage – United Technologies Corp. solid-fueled rocket

   Propellant

   Infobox · Propellant

   NEPE-75 : Nitrate ester , plasticized polyethylene glycol -bound HMX , aluminum , ammonium perchlorate

   Operational range

   Infobox · Operational range

   Full load (8x Mk5/W88): 4,100 nmi (4,700 mi; 7,600 km) Reduced load (4x Mk5/W88): 6,220 nmi (7,160 mi; 11,520 km)

   Maximum speed

   Infobox · Maximum speed

   Approximately 18,030 mph (29,020 km/h) (Mach 24; 8,060 m/s) (terminal phase)

   Guidance system

   Infobox · Guidance system

   MK 6 astro-inertial guidance

   Steering system

   Infobox · Steering system

   Single movable nozzle actuated by a gas generator

   Accuracy

   Infobox · Accuracy

   100 m

   Launch platform

   Infobox · Launch platform

   Ballistic missile submarine

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