Lithuania Army Captain (CPT) Albinas Staraitis, High Frequency (HF) Team Leader uses a compass to determine proper direction for the HF antenna prior to a test, during Exercise COMBINED ENDEAVOR 2000. The Exercise is a Partnership for Peace (PfP) exercise hosted by Germany and is the largest information and communications systems exercise in the world which focuses primarily on Command, Control, Communications, and Computers (C4) interoperability testing and documentation