WASHINGTON — The U.S. Department of Defense will not fund a replacement for the OC-135 Open Skies aircraft until it is decided if the country will remain in the arms control treaty, Defense Secretary Mark Esper said Wednesday.
https://www.defensenews.com/air/2020/03/04/dod-wont-offer-contract-for-new-open-skies-plane-until-treaty-future-clear/