![[USMC - Tactical Systems Support Activity]](https://tr.rbxcdn.com/180DAY-a979627e02cf9b6d2423944e14fc2ee3/150/150/Image/Png/noFilter)
[USMC - Tactical Systems Support Activity] #35026148
Military & clansENmilitarygovernmenteducation
Description
The mission of the Marine Corps Tactical Systems Support Activity (MCTSSA) is to provide 24/7 global technical support on Command, Control, Computer, Communications, Cyber, and Intelligence (C5I) systems, and to conduct testing, evaluation, engineering, and support experimentation onC5I systems and amphibious platforms in order to inform acquisition decision sand make the Fleet Marine Force (FMF) more capable. Our center of gravity is our people with their unique knowledge and dedication to duty. Our critical vulnerability is our garrison-based mission and associated opportunities for complacency.
Written by the group; not a statement by this register.
Membership history
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 1 Oct 2026, 13:24 | 3 | first reading |
Ownership
Owned by @GamerFuelX as measured.
Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.
Members we’ve seen
@GamerFuelX — Department of the Navy (rank 255)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.