Following Federation it was handed over to the newly formed Commonwealth and became part of the Citizen's Military Force.

Despite numerous increases, reductions and name changes over the years, the Launceston detachment has remained in operation continuously from its formation right through to the present day, and has inhabited the historically significant Paterson Barracks for that entire time.

The unit hosted the artillery range at Stony Head, Tasmania.

16 Troop, along with 48 Troop (based in Adelaide), together constitute the 6th/13th Light Battery, which is now a subunit of the 9th Regiment, Royal Australian Artillery as of 2018; the soldiers continue to wear the RAA hat badge and white lanyard.

Like fellow Tasmanian unit 12/40th Battalion Royal Tasmania Regiment (12/40 RTR) it is part of the Adelaide-based 9 Brigade.