Published: December 6, 2025
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#Thread || Maritime, Airborne and Surface all round Capability Domains of Indian navy Marcos

If I went missing after deleting this thread please remember me in your prayers I am sure this thread will get deleted but all info and pics are strictly from public domain

Image in tweet by SPADEX

1. Maritime & Sub Surface Ops It includes Combat diving, Under water demolition, Mine counter measures, Ship boarding, oil rig & ops sabotage. For this they use multiple equipments including Rebreathers , Dive computers & compasses, Sub-surface delivery vehicles & RHIBs etc

Image in tweet by SPADEX

Rebreathers are Closed-circuit systems for combat diving they don't produce any bubbles since you are breathing in a close loop hence are silent & stealthy w/ longer underwater endurance, low detection ideal for ship sabotage, mine ops & covert coastal insertion.

Image in tweet by SPADEX

Marcos usually use 2 type of rebreathers 1. Interspiro IS-Mix SCBAs : these rebreathers are non magnetic and stealthy to not set off any mines being diffused excellent for anti mine ops bec of its magnetic signatures and acoustic qualities In pic : MARCOS šŸ‡®šŸ‡³

Image in tweet by SPADEX
Image in tweet by SPADEX

2. Interspiro OX10 CCR: this is the most common rebreathers used by the marcos (and para sf too) for combat diving Pic : marcos šŸ‡®šŸ‡³

Image in tweet by SPADEX
Image in tweet by SPADEX
Image in tweet by SPADEX
Image in tweet by SPADEX

For underwater convert insertion They use diver propulsion vehicle (underwater scooter). It extended their range, reduced fatigue, low detection during ship assault & coastal ops. In pic : marcos šŸ‡®šŸ‡³

Image in tweet by SPADEX
Image in tweet by SPADEX

They also use Dive Computer, Compass & Navigation Board Full navigation system for long covert swims.

Image in tweet by SPADEX
Image in tweet by SPADEX
Image in tweet by SPADEX

Their weapon of choice for Deep divine ops is AK 103 In pic: marcos šŸ‡®šŸ‡³ ak 103 modified with Day Scope (w/ CQ RDS) & Laser Aiming Module and Illuminator, P-Railed Top Cover & Handguard, VFG & Retractable Buttstock (w/Cheek Rest).

Image in tweet by SPADEX
Image in tweet by SPADEX
Image in tweet by SPADEX

2. Airborne / Aerial Insertion Operations (Skydiving Domain) It includes HAHO/HALO jumps, airborne insertion, helicopter based operations. Equipment for these systems including halo/ haho rigs, Oxygen system, bump helmets , navigation and survival computers etc.

Image in tweet by SPADEX

For parachute they use RA-1 Intruder it is a Tier-1 SF parachute built for HALO/HAHO ops and consider gold standard bec of its high glide range, precise steering, heavy combat load capacity, low opening shock In pic : marcos šŸ‡®šŸ‡³

Image in tweet by SPADEX
Image in tweet by SPADEX

for inflight navigation they use jTRAX NAVAID: Allows military jumpers to conduct missions with long offsets and guide them toward their intended landing area in a reliable and precise way. Its a complete syst that provides the jumper with navigation & guidance

Image in tweet by SPADEX
Image in tweet by SPADEX

The jTrax Navaid system includes: • one pilot unit • one display screen • one support board or harness • one back-up compass

The pilot unit has sensors that Calculates bearing, speed, drift, distance, and glide path Interfaces with GPS + sensors for airborne navigation

Image in tweet by SPADEX

The display unit has Three types of screens • One used on the plane to check the progress of the flight toward the release point • second screen used under canopy to guide the jumper towards the landing zone. • 3rd is a Map display of the area during the flight

Image in tweet by SPADEX

Backup Compass is also present for Redundancy if electronics/GPS fail Guarantees basic navigation under all conditions

Image in tweet by SPADEX

For helmet they are using Gentex ParaMaster HALO/HAHO Helmet It's specially designed for military parachutists performing HALO/HAHO jumps. Its modular design mission customization and provide retention, impact, and penetration protection for maximum safety

Image in tweet by SPADEX

SOLR Oxygen Mask and oxygen bottles from airborne system

Image in tweet by SPADEX
Image in tweet by SPADEX

Here is an image of a navy marcos with all the equipment discussed above

Image in tweet by SPADEX

Land & Amphibious Warfare (Surface Assault Domain) I think I have made enough threads discussing this domain of Marcos Here is my infographic of the equipment they carry

Image in tweet by SPADEX

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