Introducing BAE Systems OneArc (OneArcTM), a new kind of defense tech innovator — fast, open, and collaborative — delivering the synthetic environments that modern defense depends on. We unite decades of proven commercial innovation in simulation, interoperability, and geospatial technology with the scale and trust of BAE Systems, Inc.

The right balance. The right people. The right experience. The right solutions.

Disrupt.

We have redefined U.S. and NATO defense training benchmarks, helped establish NATO interoperability standards, and earned the trust of more than 60 nations and 300 integrators.

Derisk.

We offer more than 30 years of trail-blazing experience in synthetic training, simulations, interoperability, geospatial, data analytics, and AI.

Deliver.

We deliver a comprehensive and growing portfolio of ready-to-go products, services and solutions, as well as custom software that ensure decision advantage and mission success.

The Lost Crown Here

The Aleppo Codex is the most ancient copy of the Jewish Bible. About 40% of its pages disappeared while it was being smuggled from Syria to Israel in 1957.

While factual in its research, it is a fictionalized account of their diaries and letters. 📽️ The Lost Crown (2018 Documentary)

Use "Wind of Sistan" (Rank 1) for early crowd control and "Bahman’s Breath" (Rank 2) for healing in the field. Exploration:

News & Use Cases

Questions?

This is the start of a new era. This is OneArc. Ask away.

Join Us

Intrigued by something new? Got skills and a desire to make a difference? The Lost Crown

Upcoming Events

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FIDAE 2026

OneArc will be attending FIDAE 2026, where our Business Development Director for EMEA Craig Turner will be ready to discuss how our simulation products and Solutions ... Read More

Apr 07, 2026

Santiago International Airport, Santiago, Chile

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Space Symposium 2026

OneArc will be attending Space Symposium, where our team of experts will be ready to discuss how our simulation products and Solutions can support your evolving train... Read More

Apr 13, 2026

The Broadmoor, Colorado Springs, CO USA

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ITEC 2026

OneArc will be attending ITEC 2026, where our team of experts will be ready to discuss how our simulation products and Solutions can support your evolving training re... Read More

Apr 14, 2026

Excel Center, London, UK

The Aleppo Codex is the most ancient copy of the Jewish Bible. About 40% of its pages disappeared while it was being smuggled from Syria to Israel in 1957.

While factual in its research, it is a fictionalized account of their diaries and letters. 📽️ The Lost Crown (2018 Documentary)

Use "Wind of Sistan" (Rank 1) for early crowd control and "Bahman’s Breath" (Rank 2) for healing in the field. Exploration: