USS J. William Middendorf

	J. William Middendorf's sister ship John E. Kilmer ; (artist's rendering)
History
United States
Name	J. William Middendorf
Namesake	J. William Middendorf
Builder	Bath Iron Works
Identification	Hull number: DDG-138
Status	Authorized
General characteristics
Class & type	Arleigh Burke-class destroyer
Displacement	9,217 tons (full load)
Length	510 ft (160 m)
Beam	66 ft (20 m)
Propulsion	4 × General Electric LM2500 gas turbines 100,000 shp (75,000 kW)
Speed	31 knots (57 km/h; 36 mph)
Complement	380 officers and enlisted
Armament	Guns:; 1 × 5-inch (127 mm)/62 Mk 45 Mod 4 (lightweight gun) ; 1 × 20 mm (0.8 in) Phalanx CIWS ; 2 × 25 mm (0.98 in) Mk 38 machine gun system ; 4 × 0.50 inches (12.7 mm) caliber guns; Missiles:; 1 × 32-cell, 1 × 64-cell (96 total cells) Mk 41 vertical launching system (VLS):; RIM-66M surface-to-air missile ; RIM-156 surface-to-air missile ; RIM-174A standard ERAM ; RIM-161 anti-ballistic missile ; RIM-162 ESSM (quad-packed); BGM-109 Tomahawk cruise missile ; RUM-139 vertical launch ASROC ; Torpedoes:; 2 × Mark 32 triple torpedo tubes:; Mark 46 lightweight torpedo ; Mark 50 lightweight torpedo ; Mark 54 lightweight torpedo ;
Armor	Kevlar-type armor with steel hull. Numerous passive survivability measures.
Aircraft carried	2 × MH-60R Seahawk helicopters
Aviation facilities	Double hangar and helipad

Last updated July 28, 2025

USS J. William Middendorf (DDG-138) is the planned 88th Arleigh Burke-class (Flight III) Aegis guided missile destroyer of the United States Navy.^[2] She will honor J. William Middendorf, a former Secretary of the Navy and US Ambassador to the Netherlands. The name was announced 10 June 2022.^[3]

References

1 2 3 4 5 "DDG-51 Arleigh Burke-class". Federation of American Scientists . FAS.org. 2 November 2016. Retrieved 9 June 2021.
↑ "J. William Middendorf (DDG-138)". Naval Vessel Register . Retrieved 19 May 2022.
↑ "SECNAV Names Future Arleigh Burke-class Destroyer USS J. William Middendorf". navy.mil. 10 June 2022. Retrieved 13 June 2022.

This article incorporates public domain material from J William Middendorf (DDG-138) at the Naval Vessel Register .

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[FAS.org-1] 1 2 3 4 5 "DDG-51 Arleigh Burke-class". Federation of American Scientists . FAS.org. 2 November 2016. Retrieved 9 June 2021.

[NVR-2] "J. William Middendorf (DDG-138)". Naval Vessel Register . Retrieved 19 May 2022.

[3] "SECNAV Names Future Arleigh Burke-class Destroyer USS J. William Middendorf". navy.mil. 10 June 2022. Retrieved 13 June 2022.

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History
J. William Middendorf's sister ship John E. Kilmer (artist's rendering)
United States
Name	J. William Middendorf
Namesake	J. William Middendorf
Builder	Bath Iron Works
Identification	Hull number: DDG-138
Status	Authorized
General characteristics
Class & type	Arleigh Burke-class destroyer
Displacement	9,217 tons (full load)^[1]
Length	510 ft (160 m)^[1]
Beam	66 ft (20 m)^[1]
Propulsion	4 × General Electric LM2500 gas turbines 100,000 shp (75,000 kW)^[1]
Speed	31 knots (57 km/h; 36 mph)^[1]
Complement	380 officers and enlisted
Armament	Guns: 1 × 5-inch (127 mm)/62 Mk 45 Mod 4 (lightweight gun) 1 × 20 mm (0.8 in) Phalanx CIWS 2 × 25 mm (0.98 in) Mk 38 machine gun system 4 × 0.50 inches (12.7 mm) caliber guns Missiles: 1 × 32-cell, 1 × 64-cell (96 total cells) Mk 41 vertical launching system (VLS): RIM-66M surface-to-air missile RIM-156 surface-to-air missile RIM-174A standard ERAM RIM-161 anti-ballistic missile RIM-162 ESSM (quad-packed) BGM-109 Tomahawk cruise missile RUM-139 vertical launch ASROC Torpedoes: 2 × Mark 32 triple torpedo tubes: Mark 46 lightweight torpedo Mark 50 lightweight torpedo Mark 54 lightweight torpedo
Armor	Kevlar-type armor with steel hull. Numerous passive survivability measures.
Aircraft carried	2 × MH-60R Seahawk helicopters
Aviation facilities	Double hangar and helipad