Stefan Pleyer, vice president, avionics, Rohde & Schwarz; Alexander Philipp, managing director, Rohde & Schwarz Vertriebs-GmbH; Adil Karim, vice president, strategy and mission solutions, Northrop Grumman; and Ahmed Selim, global director, business development, Northrop Grumman, sign a Memorandum of Understanding at the Berlin Security Conference on Thursday, Nov. 30, 2023 to support multi-domain operations and interoperability in Europe. (Photo Credit: Rohde & Schwarz)