Indian Air Force
Air-gapped deployment, white-labelled as Udaan Messenger
Secure army chat for land forces, from HQ to the field.
Troop Messenger is a secure army chat app for messaging, voice and video calls and file sharing across headquarters, command posts and field units. It runs on the army's own servers or a fully air-gapped network and keeps working over satellite and low-bandwidth links.
- Air-Gapped
- On-Premise
- Low-Bandwidth Ready
Armed Forces and Defence Organisations That Run Their Own Messaging
UK Hydrographic Office, Ministry of Defence
National hydrographic and defence data
Airbus Defence and Space
Defence and aerospace manufacturing
European Space Agency
Intergovernmental space programme
What Is a Secure Army Chat App?
A secure army chat app is a messaging, calling and file-sharing application that an army hosts on its own network, so orders, reports and files between headquarters, command posts and field units never touch a commercial cloud.
It complements tactical radios rather than replacing them. Radios carry voice on the move; the chat app carries text, images, documents and calls wherever a data link exists, with a full record.
| Used by | Headquarters, command posts, formations, field units, logistics and training staff |
|---|---|
| Deployment | On-premise, sovereign cloud or fully air-gapped (Troop-GRIT) |
| Networks | LAN, intranet, satellite connectivity, and low-bandwidth networks. |
| Devices | Issued or approved Android and iOS phones, Windows, macOS, Linux and web |
| Hierarchy | Units, user authorisations and broadcast to whole formations |
| Lost device | Remote wipe and instant revocation |
| Encryption | End-to-end: ECDH SECP384R1, PBKDF2, AES-256 |
Where Tactical Communications Leave Gaps
Radios carry voice, not files.
Maps, photos, reports and orders still move by hand, email or a personal phone.
Personal phones in the field.
Soldiers fall back on consumer apps that expose contacts, locations and photos outside your control.
Units change faster than contact lists.
Postings, rotations and task organisation changes leave old groups open and new arrivals out.
Weak links at the edge.
Forward positions work over narrow, intermittent satellite or radio data links.
How Armies Use Troop Messenger, from Command Post to Convoy
Different missions.Same platform.Your data stays yours.
Six land-force workflows that move faster on one secure channel.
01
Command
Command posts and tactical operations centres
Duty officers share situation reports, overlays and orders in one channel, with calls and video for the planning cell.
02
Field units
Field units and patrols
Section and platoon groups for reports, photos and notes, on issued or approved phones.
03
Logistics
Logistics, convoys and supply points
Coordinate convoys, ammunition and ration demands and supply point status between depots and units.
04
Readiness
Equipment readiness and maintenance
Workshop teams report vehicle and equipment status, request spares and close out repairs in chat.
05
Training
Training establishments and exercises
Run exercise control, umpire and trainee groups that open for the exercise and close cleanly after it.
06
Aid to civil authority
Disaster relief and humanitarian assistance
Work alongside civil agencies as controlled guests during floods, earthquakes and evacuations.
Built for the Army's Chain of Command
Formations reorganise constantly. Troop Messenger follows the structure as it changes.
01
Units
Mirror corps, divisions, brigades, battalions and companies, and regroup them for each task force.
02
User Authorisations
Junior ranks request access to senior officers with a justification; officers approve for a set period.
03
Forkout Broadcast
Send one order or notice to an entire formation at once, with read status.
04
Orange Member
Bring allied liaison officers and contractors into named groups only.
05
Burnout
Self-destructing private conversations for sensitive exchanges.
06
Instant Revocation
Remove a lost phone or a posted-out soldier from every group from one console.
Security Built for Land Operations
Named algorithms, keys on your own servers and a complete audit trail. For the full architecture, see our secure military communication system page.
End-to-End Encryption
Every message, call and file is encrypted end-to-end.
On-Premise & Air-GappedPost-Quantum Cryptography VPN
A PQC-secured tunnel established before any data exchange begins.
On-PremiseBurnout
A private window that leaves no trace once closed.
All deploymentsMulti-Factor Authentication
Password, app PIN and biometrics, enforced from the admin console.
All deploymentsLDAP, Active Directory & SSO
One source of truth for access, roles and deprovisioning.
All deploymentsMobile Device Management
Compatible with solutions from all major MDM providers.
On-PremiseAudit Logs
· Complete activity logs, timestamped and exportable.
On-Premise & Air-GappedLawful Interception (TM-Monitor)
Authorised review of official communication under your own policies.
On-Premise & Air-GappedScreenshot & Recording Controls
Enforced by the administrator, not left to the user.
All deploymentsThree Ways to Deploy.Every One Stays Inside Your Perimeter.
Deployment model
On-Premise
Runs on
Your servers, behind your firewall
Built for
Army headquarters, training establishments and depots
Data leaving your perimeter
Never
Deployment model
Air-Gapped: Troop-GRIT
Runs on
A fully isolated network with no internet path
Built for
Operational and classified army networks
Data leaving your perimeter
Never
Built for satellite and low-bandwidth (DDIL) links at forward positions.
Deployment model
Sovereign or Private Cloud
Runs on
Your own government or defence cloud tenancy
Built for
Armies running a national or defence cloud
Data leaving your perimeter
Never
Same platform. Different environments. Complete control.
Licensed per user, with air-gapped programmes quoted per programme. See defence licensing and pricing.
Your Army.Your Network.Your Decision.
Choose a security briefing, a pilot on your own network, or a programme quote. Verified defence and government enquiries receive a reply within two business days..
Security briefing
45 minutes with our solutions architect.
Pilot on your network
The complete product on your server or isolated test network.
Programme quote
A formal proposal for your users, sites and deployment.
GET IN TOUCH
Talk to our deployment team
Tell us about your requirements and we'll get back to you shortly.
Integrations
Connects to the SystemsYour Army Already Runs
Secure REST APIs and webhooks run inside your own network, so your systems post alerts, approvals and updates into the right channels without opening a door to the internet.
- 1
Command and control
Alerts and orders from C2 and battle management systems reach the right channel.
- 2
Logistics and supply
Demands, stock levels and convoy status post to the units concerned.
- 3
Personnel and HR
Postings, leave approvals and welfare notices reach soldiers directly.
- 4
Radio and telephony gateways
Roadmap: radio-to-chat and SIP gateways.
At a glance
Field-readyDeployment
On-premise, sovereign cloud or air-gapped
Networks
LAN, satellite and low-bandwidth links
Devices
Issued or approved phones, desktops and web
Dedicated deployment support and a custom SLA included.
FAQ
Frequently Asked Questions
A secure army chat app is a messaging, calling and file-sharing application that an army hosts on its own network, so orders, reports and files never touch a commercial cloud. Troop Messenger is one such app, deployed on-premise or on fully air-gapped networks.
Yes, on approved devices managed through your mobile device management, or on service-issued phones. The army owns every account and can wipe the app remotely or revoke access instantly.
Yes. Troop Messenger is optimised for high-latency and satellite links, using network accelerators to reduce round-trip time, jitter and packet loss in denied, disrupted, intermittent and limited-bandwidth (DDIL) conditions.
Units mirror the army’s formations, user authorisations stop junior ranks contacting senior officers without approval, and broadcast sends one order to a whole formation with read status.
An administrator wipes the app remotely and revokes the user and device from every group from one console, so no messages or files remain accessible.
Yes. Troop Messenger can be configured and extended to meet specific defence requirements, subject to technical feasibility and project scope.
Start with a security briefing with our solutions architect, then run a pilot on your own server or isolated test network with agreed success criteria.
Ready to see it on your own network?
