UK Defence Innovation published a formal industry call on 8 April, closing 21 April, seeking technologies to detect and defeat fibre-optic controlled drones. The call is an explicit government admission that conventional radio frequency and electronic warfare counter-drone systems cannot detect this class of platform. No fielded NATO counter-UAS system is optimised for the threat.
Fibre-optic FPV drones are unjammable. The control link runs through a physical cable that unspools behind the drone; there is no RF signal to intercept or disrupt. Detection requires visual, acoustic, or infrared sensing rather than the RF scanning on which every deployed NATO system relies. Skycutter's Shrike 10 Fiber, the system that scored 99.3 out of 100 in the Pentagon's first Drone Dominance Gauntlet, uses a 20km micro-spool of exactly this technology.
Britain funded Skycutter's development through UKDI, then discovered that the technology defeats its own defences. The drone that won America's top competition is invisible to British counter-drone doctrine. This is not a capability gap that procurement can close by buying more of the same; it requires entirely new detection technology that may not yet exist at prototype stage, let alone fielded scale.
The 21 April deadline suggests urgency, but urgency without a solution merely compresses the timeline for acknowledging there is no answer. Whether any responding company can demonstrate proof-of-concept within twelve months is the open question.
