Over the past fewer weeks, a fig of drones person mysteriously been spotted implicit 3 aerial bases utilized by the US Air Force (USAF) successful the UK.
The unmanned aerial devices were archetypal spotted connected 20 November, implicit RAF Lakenheath and RAF Mildenhall, successful Suffolk, and RAF Feltwell successful Norfolk.
The antithetic enactment has prompted an probe by civilian constabulary and supported by the UK's Ministry of Defence (MoD).
Around 60 British troops, including counter-drone specialists, person besides been deployed to assistance support the bases.
What we cognize astir the drone sightings
The drones were archetypal spotted successful the vicinity of the 3 airbases past Wednesday.
Similar movements occurred again connected Friday 22 November and "during nighttime hours" connected Monday this week, a spokesperson for the USAF successful Europe said.
The spokesperson said the fig of aerial vehicles "fluctuated" and "varied betwixt the bases".
When asked by Sky News' security and defence exertion Deborah Haynes, the spokesperson said determination has been "no interaction to residents oregon infrastructure and [they] person not been identified arsenic hostile".
"However they are inactive continuously being monitored to guarantee the information and information of the installations."
Haynes added that it remains "unclear however galore drones are involved, who is operating them and wherefore they are doing it" but it seems "sufficiently serious" for the UK to deploy subject personnel.
Lakenheath is location to the 48th Fighter Wing, which the USAF describes arsenic the instauration of its combat capableness successful Europe.
Mildenhall hosts the 100th Air Refuelling Wing, and Feltwell is simply a hub for housing, schools and different services.
The 3 bases are leased by the USAF from Britain.
What has the UK and US said?
The MoD said it is supporting the USAF effect to the sightings, adding that it "takes threats seriously".
This effect is understood to see the deployment of astir 60 subject personnel, including members of the RAF Regiment's Force Protection Wing, with specializer skills successful countering drones to assistance support the US bases and effort to find retired who is liable for operating the unmanned aerial vehicles.
The RAF troops run the ORCUS counter-uncrewed aerial system, which has the quality to "detect, track, place and, if necessary, decision hostile drones", according to the RAF website.
US subject units said they were inactive monitoring the airspace implicit the 3 bases connected Tuesday evening.
Who could beryllium operating the drones?
Pentagon spokesperson Major General Patrick Ryder said connected Tuesday it was excessively soon to gully conclusions astir whether the drones were sent by hobbyists.
He admitted tiny drones are reasonably common.
However, 1 information root told Sky News that the drone enactment was "awfully coordinated." Another said it was "odd" and "very weird."
A US official, speaking connected information of anonymity, agreed that it did not look that the drones were the enactment of hobbyists, adding that the US subject would proceed to investigate.
Read much from Sky News:
'Grinding warfare of attrition successful Ukraine'
Russian forces seizure 'former British soldier'
Though it is unclear whether the drones had hostile intent, the sightings travel arsenic hostilities betwixt Russia and Ukraine person importantly escalated.
Ukraine has struck targets wrong Russia with intermediate-range missiles supplied by the US and Britain aft President Joe Biden authorised the usage of the weapons.
Soon after, President Vladimir warned helium could deed backmost against countries supplying weapons being utilized against targets successful Russia.