Power Production Technician AIRMAN First Class Jason Krcil, USAF, U.S. Air Forces in Europe (USAFE) takes advantage of the complimentary Internet service at the COMBINED ENDEAVOR Cyber Cafe. COMBINED ENDEAVOR 2001, is the largest communications and information systems exercise in the world. The exercise, sponsored by U.S. European Command and hosted by Germany, is held annually to test and document the interoperability of dozens of nations. There are 37 countries participating this year