Two Mobile Expandable Container Configurations (MECC) create a field tactical command post in Swynnerton, United Kingdom, June 15, 2021, as part of NATO’s Allied Rapid Reaction Corps experimentation and training initiatives. The command, control and communications Project LELANTOS was deployed in Poland during Exercise STEADFAST LEDA 21 to experiment with new technologies in support of NATO training objectives. (Photo by U.S. Army Sgt. 1st Class Elvis Umanzor)