Source-led UK military preparation library

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Browse 29 independent preparation and research guides organised by route, including in-depth AOSB interviews, Royal Marines CPC swimming and Royal Navy DAA instructions. Each guide links its official source and relevant free exercises.

Topic 02 / 6 guides

Army Officer & AOSB

Briefing versus Main Board, civilian planning examples, interviews, communication and published officer assessment standards.

Army Officer

AOSB Briefing vs Main Board: Army Officer Preparation by Stage

What to prepare before an Army Officer Selection Board stage: official processes, genuine experience, original planning maths and good communication.

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Army Officer

AOSB Communication Practice: Clear Arguments and Group Decisions

Original civilian communication exercises for officer candidates—structuring evidence, testing assumptions and disagreeing respectfully, without claiming insider exam knowledge.

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Army Officer

AOSB Interview & Five-Minute Lecturette: Honest Preparation

Evidence-led preparation for Army Officer Selection Board interviews, Briefing introductions, Main Board talks and group discussions, with original private practice prompts.

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Army Officer

AOSB Preparation: Briefing vs Main Board, Fitness and Assessment

A practical introduction to Army Officer Selection Board preparation that goes beyond rehearsed interview answers.

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Army Officer

AOSB Planning Exercise Practice: Aims, Factors, Options and Plan

How to practise Army Officer planning exercise reasoning with original civilian scenarios, arithmetic checks and sound decision structure—without claiming access to real AOSB questions.

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Army Officer

Army Officer Bleep Test 7.10: Fitness Standards Explained

The Army Officer MSFT minimum of level 7 shuttle 10, plus the published 76kg mid-thigh pull and 3.1m medicine-ball throw, explained by selection stage.

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Topic 03 / 6 guides

British Army & cognitive testing

Understand the Army's actual recruiting requirements, fitness assessments and independent ACT-related reasoning practice.

What makes these guides independent

Primary sources come before practice products.

The Armed Forces set joining instructions, test formats, eligibility and official scores. We build tools to help readers understand, practise general skills and find the current official answer—not to replace recruiting staff or claim selection guarantees.