On 18 June 2025, 3d Radio Battalion bid fair winds and following seas to Lieutenant Colonel Gary A. Keefer, and welcomed Lieutenant Colonel Sean F. X. Barrett to the family. Lieutenant Colonel Keefer was the Battalion Commander of 3d Radio Battalion for three years and will be retiring after this post. Lieutenant Colonel Barrett is taking command of 3d Radio Battalion after serving consecutive assignments at I Marine Expeditionary Force G-2.

Photo by GySgt James Wyatt

3d Radio Battalion Change of Command

19 Jun 2025 | Photo by: GySgt James Wyatt III MEF Information Group

MARINE CORPS BASE HAWAII, Hi. --

MARINE CORPS BASE HAWAII, Hawaii - On 18 June 2025, 3d Radio Battalion bid fair winds and following seas to Lieutenant Colonel Gary A. Keefer, and welcomed Lieutenant Colonel Sean F. X. Barrett to the family. Lieutenant Colonel Keefer was the Battalion Commander of 3d Radio Battalion for three years and will be retiring after this post. Lieutenant Colonel Barrett is taking command of 3d Radio Battalion after serving consecutive assignments at I Marine Expeditionary Force G-2.