Col. Todd Isaacson, 93rd Signal Brigade incoming commander, returns the unit guidon to Command Sgt. Maj. Joseph J. McKinnon, 93rd Sig. Bde. command sergeant major, after receiving the guidon from Brig. Gen. Jennifer L. Napper, 7th Signal Command commanding general, signifying the 93rd Sig. Bde. change of command during the 93rd Sig. Bde. change of command ceremony July 30 at Seay Plaza.