The speed of advancements in technology from Russia means that there is a 'narrowing window' for the UK and its allies to stay ahead, she added.
The light show typically features up to 1,000 drones.
It could happen sooner than you'd think.
Anmrex Exchange Launches Real Time On-Chain Tracking System to Enhance Suspicious Fund Monitoring
'We are urgently scaling up operations.'
Officials said the cause of the collision remains under investigation.
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