The EUISS is an agency of the European Union
Speaking to The Washington Post Intelligence, Giuseppe Spatafora noted that the biggest problem is continued US uncertainty, as Washington has been withdrawing troops and capabilities "not in a coordinated fashion but in haphazard manner". This makes it very difficult to plan a proper transition without leaving some deterrence gaps that Russia could exploit.
When asked about Europe's capability gaps, Giuseppe said that the biggest one "remains in the high-end systems, as the US has historically provided the majority or totality of capabilities." He highlighted domains such as command and control, intelligence, surveillance and reconnaissance.