But unlike the unity that was eventually achieved by the time Washington withdrew from the Intermediate Range Nuclear Forces (INF) Treaty last year, Europeans have not empathetically accepted the decision to dump Open Skies, which they consider an effective contribution to global security.
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At Friday's NATO meeting, French Ambassador Muriel Domenach read out a statement signed by 11 governments, including Germany, France, Finland and Sweden.
Retired Colonel Wolfgang Richter, now with the German Institute for International and Security Affairs, spent many years working on arms control and verification regimes and sees Open Skies as essential for transparency.
"There are implementation problems with the Russians, that is true, but they are not so severe that you cannot pursue the purpose of the treaty," Richter told DW.