Inside NATO's 'Sentry' missions and the urgent drive to ready for new threats

Tech Insider : Business, Style
A British tanker aircraft refuels fighter jets during a mission in November 2025.
A British Voyager tanker aircraft refuels fighter jets during a November 2025 mission in support of Eastern Sentry.

Jake Epstein/Business Insider

The value of cheap weapons in modern war isn't just the low price

Tech Insider : Business, Politics
A man in camouflage stands under netting between trees under a grey sky, holding a large artillery shell
Ukraine is showing the value of masses of cheap weaponry in modern war.

Ukrinform/NurPhoto via Getty Images

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