Christopher W. Grady

Vice Adm. Christopher W. Grady, commander of U.S. 6th Fleet, speaks to junior officers assigned to Naval Facilities Engineering Command Europe, Africa, Southwest Asia at Naval Support Activity Naples.

The big picture: All five officers charged in the fatal beating of Nichols were part of the Scorpion unit, which is charged with combating violent crime. Civil rights leaders say the deadly assault escalates the need to reexamine these types of forces across the country.

Although the Army-specific course is taught through the Medical Education and Training Campus, the curriculum comes from the Army Medical Department Center and School.

A specialized law enforcement unit in the Memphis Police Department has been permanently disbanded after gaining renewed scrutiny in the fallout of Tyre Nichols' death.

Stanford University researchers will work on an implantable device that can release melatonin — a naturally produced chemical that induces sleepiness — on demand for up to 30 days.

The Defense Advanced Research Projects Agency (DARPA) is funding scientific projects to control service members' sleep/wake cycles in the service of fighting jetlag.

Donald Evans, squadron commander for 1st Squadron, 33rd Cavalry Regiment, 3rd Brigade Combat Team “Rakkasans,” 101st Airborne Division (Air Assault), conducted a quarterly discussion with his squadron pertaining to their mission accomplishments during their deployment in support of Operation Enduring Freedom while at Camp Clark, Afghanistan,