App, study guides, practice packs, and 1-on-1 coaching — all built by a PhD Nuclear Engineer and USAF officer.
The only prep app that identifies exactly which question types slow you down — then drills you on those until they become strengths. Built on Dr. Preston’s PhD-level expertise across all 12 AFOQT subtests.
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Concise, field-tested references built from Dr. Preston’s own AFOQT prep and PhD coursework. Instant download via Gumroad.
Every formula, constant, and concept you need for the Physical Science subtest — organized for rapid review the night before your exam.
Buy Now →Arithmetic operations, algebra, geometry, and table reading formulas distilled to one printable quick-reference guide. Saves hours of note-taking.
Buy Now →The questions real test-takers get wrong. Each problem includes a worked solution and the concept tested — so you learn, not just drill.
Buy Now →A fully structured, day-by-day study calendar with subtest focus, daily time targets, and review checkpoints. Works with any schedule.
Buy Now →Work directly with a PhD Nuclear Engineer and USAF officer who has helped students raise AFOQT scores by 20–40+ points. Full app access included with every package.
Not sure which package is right for you? Start with a free 15-minute intro call — no commitment required.
Book Free Intro Call →Study alongside other AFOQT candidates and get direct access to Dr. Preston outside of sessions.
Active prep community with live Q&A, daily discussion, and Dr. Preston’s study tips dropped directly in the server.
A structured learning environment with courses, accountability groups, and Dr. Preston’s full resource library in one place.