Updated: 20 August 2025 See also: Deep-Space Advanced Radar Capability [DARC] Deep-Space Advanced Radar Capability, Site 1, Exmouth The second DARC site is located at the UK Ministry of Defence Cawdor Barracks, near St Davids in Pembrokeshire, Wales. On 23 August 2024 the U.S. Defense Department awarded Northrop Grumman Systems a US$200,250,000 cost-plus-incentive-fee for ‘the […]
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Deep-Space Advanced Radar Capability [DARC]
See also Deep-Space Advanced Radar Capability, Site 1, Exmouth, Western Australia Deep-Space Advanced Radar Capability, Site 2, Cawdor Barracks, Wales The Deep-Space Advanced Radar Capability [DARC] is a United States Space Force-auspiced ground-based space surveillance radar system, planned to be built on three sites – on the Exmouth Peninsula in Western Australia, St. Davids, Pembrokeshire […]
Deep-Space Advanced Radar Capability, Site 1, Exmouth
Updated 18 August 2025 See also: Deep-Space Advanced Radar Capability [DARC] Deep-Space Advanced Radar Capability, Site 2, Cawdor Barracks, St Davids, Wales In February 2022 Northrop Grumman was awarded a US$341 million contract as prime integrator to develop, test and deliver the first DARC site in Australia. In August 2025 Space Systems Command and Northrop […]
NUCLEAR-CAPABLE B-52H STRATOFORTRESS BOMBERS PROJECT

This site hosts publications and materials related to the Nuclear-capable B-52 Stratofortress Project, coordinated by Richard Tanter. The principal contents are a series of Nautilus Institute Special Reports by Vince Scappatura and Richard Tanter, and related materials: Vince Scappatura and Richard Tanter, Nuclear-capable B-52H Stratofortress strategic bombers: a visual guide to identification, 2024 (full version […]
Pine Gap, Gaza and Australian complicity in genocide
This page collates materials related to the question of Australian complicity in genocide following the Israeli war on Gaza, initiated by Richard Tanter’s formal complaint to The Australian Inspector-General of Intelligence and Security (IGIS) in March 2024. Richard Tanter, Does Pine Gap place Australia at risk of complicity in genocide in Gaza? A complaint concerning the […]
Satellite Ground Station – East, Kapooka
Project coordinator: Richard Tanter Updated: 2 April 2025 The Satellite Ground Station – East is a primary ground station in the ADF Defence Satellite Communications System, constructed between 2018 and 2020 under Defence project JP2008 Phase 5B2. SGS-East is a companion to Satellite Ground Station – West subsequently constructed in the north-west compound of the Australian […]
Which B-52s are nuclear-capable?
Complete list of armament classification of all extant B-52H aircraft (2024) * Notes a. Confidence levels apply only to the armament classification assigned to active aircraft. b. AMARG – Aerospace Maintenance and Regeneration Group; GITA – ground instructional training aircraft; OG – Operating Group. c. Although best efforts have been made to ensure the accuracy […]
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Which B-52s are nuclear-capable?
Complete list of armament classification of all extant B-52H aircraft (2024) * Notes a. Confidence levels apply only to the armament classification assigned to active aircraft. b. AMARG – Aerospace Maintenance and Regeneration Group; GITA – ground instructional training aircraft; OG – Operating Group. c. Although best efforts have been made to ensure the accuracy […]
Nuclear-capable B-52H Stratofortress bombers image gallery
Images supplied by photographers for use in Nuclear-capable B-52H Stratofortress bombers: A Visual Guide. The full version of the Special Report is available here (11.3MB PDF). The authors are grateful for the generous cooperation of the following photographers: N94504 60-0010 60-0030 Andy-87 61-0040 Kyle Cortis 60-0044 (secondary) Michiel van Herten 60-0025 60-0058 61-0013 61-0015 (secondary) […]