France has sent a joint armed forces detachment to Denmark to support counter-drone operations, the French Defense Ministry announced Monday.

The temporary deployment includes 35 personnel, a FENNEC helicopter and active counter-drone systems. French officials said the unit is already operational and is working in coordination with Danish authorities, stressing that the mission respects Denmark’s sovereignty.

The move comes in response to a surge of unidentified drone flights over Danish territory, including incidents last week that forced temporary airport closures and flight diversions. Danish Prime Minister Mette Frederiksen described the activity as part of “a hybrid war unfolding on Danish soil.”

According to the French ministry, the detachment is meant to reinforce Denmark’s own military resources and demonstrate broader European solidarity at a time of heightened security concerns.

The announcement was made ahead of an informal EU leaders’ summit in Copenhagen on October 1 – 2, where security along the bloc’s eastern and northern borders is expected to feature prominently.

Danish authorities have imposed a week-long ban on civilian drone flights around the summit. Over the weekend, the Danish Armed Forces confirmed they had detected new drones hovering above several of their sites, adding to pressure on Copenhagen and its allies to strengthen airspace defenses.

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Post Image – French Army trains for counter-drone warfare in Jordan (Post Image Credit: Sandra Auguste / French Ministry of Defense)

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