Hobart-class destroyer

Hobart-class destroyer
Nick-D · CC BY-SA 4.0 · source
Name	Hobart-class destroyer
Caption	Lead ship HMAS Hobart underway in 2017.
Builders	ASC Pty Ltd
Operators	Royal Australian Navy
Preceded by	Adelaide-class frigate
Succeeded by	Hunter-class frigate
In commission	2017–present
Type	Air warfare destroyer
Displacement	7,000 tonnes full load
Length	147.2 m
Beam	18.6 m
Draught	5.17 m
Propulsion	Combined diesel and gas
Speed	In excess of 28 knots
Range	5,000 nautical miles
Complement	186 (standard), up to 234
Sensors	Aegis Combat System Baseline 7.1, AN/SPY-1D(V) radar, CEAFAR radar
Armament	48-cell Mk 41 Vertical Launching System, SM-2/ESSM/SM-6 missiles, Harpoon anti-ship missiles, 1 × 5-inch gun, 2 × M242 Bushmaster guns, 2 × triple torpedo tubes, 1 × Phalanx CIWS
Aircraft carried	1 × MH-60R Seahawk
Aviation facilities	Enclosed hangar and flight deck

Hobart-class destroyer. The Hobart class are three guided-missile destroyers serving as the primary air warfare component of the Royal Australian Navy. Based on the Spanish ''Álvaro de Bazán''-class design and integrated with the Aegis Combat System, these vessels represent Australia's most potent surface combatants. Their primary role is to provide air defense for naval task groups and critical assets, significantly enhancing the Australian Defence Force's strategic capabilities in the Indo-Pacific region.

Development and design

The program originated from the Royal Australian Navy's Project SEA 4000, initiated to replace the aging ''Adelaide''-class frigates. After a competitive evaluation, the design by Navantia, derived from the F-100 frigate used by the Spanish Navy, was selected in 2007. A key requirement was integration with the Lockheed Martin Aegis Combat System, utilizing the AN/SPY-1D(V) radar to provide advanced area air defense. The Australian Government established the Air Warfare Destroyer Alliance, a consortium comprising the Department of Defence (Australia), ASC Pty Ltd, and Raytheon Australia, to manage the complex project. The design was modified for Australian conditions, including the addition of the indigenous CEAFAR radar for enhanced local air and surface surveillance.

Construction and specifications

Construction was conducted in Australia at the ASC Pty Ltd shipyard in Osborne, South Australia, with modules also built by BAE Systems Australia in Williamstown, Victoria and Forgacs Group in Newcastle, New South Wales. The lead ship, HMAS Hobart, was laid down in 2012, launched in 2015, and commissioned in 2017. Each vessel displaces approximately 7,000 tonnes and measures 147.2 meters in length. The propulsion system is a Combined diesel and gas (CODAG) configuration, incorporating two General Electric gas turbines and two Caterpillar diesel engines. The core combat system is the Aegis Combat System Baseline 7.1, which directs a formidable armament suite launched from a 48-cell Mk 41 Vertical Launching System.

Service history

Since entering service, the class has become integral to the Royal Australian Navy's global deployments and regional engagement. HMAS Hobart participated in exercises like RIMPAC and has conducted freedom of navigation operations in the South China Sea. HMAS Brisbane and HMAS Sydney have similarly deployed on major regional presence missions, often operating alongside allies such as the United States Navy and the Japan Maritime Self-Defense Force. The ships have been routinely involved in multinational exercises, including Exercise Talisman Sabre with the United States Armed Forces, validating their interoperability within the AUKUS security partnership. Their advanced sensors and missile capabilities provide a critical shield for allied task groups.

Ships in class

{| class="wikitable" |- ! Name !! Pennant !! Builder !! Laid down !! Launched !! Commissioned !! Status |- | HMAS Hobart || DDG 39 || ASC Pty Ltd || 2012 || 2015 || 2017 || Active |- | HMAS Brisbane || DDG 41 || ASC Pty Ltd || 2014 || 2016 || 2018 || Active |- | HMAS Sydney || DDG 42 || ASC Pty Ltd || 2015 || 2018 || 2020 || Active |}

See also

* Álvaro de Bazán-class frigate * Aegis Combat System * Air warfare destroyer * Hunter-class frigate * Royal Australian Navy

Category:Destroyer classes Category:Ships of the Royal Australian Navy