The opinion directly affected only 300 California National Guard troops remaining on duty, from the 4,000 originally called up. That is because Trump’s original memorandum that called the California National Guard into federal service never specifically mentioned Los Angeles or California. According to Breyer’s opinion, “Major General Scott Sherman, the deputy commanding general support for U.S. Army North and commander of Task Force 51, oversaw the training of Task Force 51. This appears to be another situation – here the President’s use of federalized National Guard troops -- where a Trump attempt to expand Presidential power may be headed to the Supreme Court. The Cipher Brief is committed to publishing a range of perspectives on national security issues submitted by deeply experienced national security professionals.