MQ-9B Sea Guardian (Defence Sector)
MQ-9B Sea Guardian (Defence Sector)
Why In News:
On 17 August 2026, the Ministry of Defence signed a 1,943 crore contract with General Atomics Aeronautical Systems Inc. (GA-ASI) to lease two additional MQ-9B Sea Guardian High Altitude Long Endurance (HALE) Remotely Piloted Aircraft Systems (RPAS) for the Indian Navy.
Source: The Indian Express, Page 6, 18 August 2026, 'Navy to lease two new MQ-9B Sea Guardian unmanned aircrafts from US firm'
What is the MQ-9B Sea Guardian?
It is a High Altitude Long Endurance (HALE) remotely piloted aircraft capable of operating at altitudes above 40,000 feet for more than 30 hours.
Manufacturer: Developed by General Atomics Aeronautical Systems Inc. (GA-ASI), the Sea Guardian is the maritime surveillance variant of the MQ-9B family.
Surveillance Systems: It combines surface-search radar, Automatic Identification System (AIS) receiver and Electro-Optical/Infrared (EO/IR) sensors to detect, identify and track vessels over large maritime areas.
Existing Capability: The Indian Navy has operated two unarmed MQ-9B Sea Guardians on lease since 2020, primarily for maritime surveillance.
Maritime Surveillance Architecture
The MQ-9B forms part of India’s broader effort to establish persistent maritime surveillance across the IOR, particularly along important Sea Lanes of Communication (SLOCs).
Its long endurance and multi-sensor capability allow it to complement ships, maritime patrol aircraft, satellites and coastal surveillance systems, creating a layered maritime awareness architecture.
Such persistent surveillance is particularly important for monitoring commercial shipping, naval movements, illegal activities and emerging maritime security threats across India’s vast maritime zone.
Key Facts for Prelims
HALE vs MALE: HALE systems operate at higher altitudes and are designed for very long endurance, while MALE (Medium Altitude Long Endurance) systems operate at comparatively lower altitudes. The MQ-9B is a HALE RPAS.
Maritime Domain Awareness (MDA): Refers to the effective understanding of activities and developments in the maritime domain that could affect security, safety, economy or the marine environment.
The MQ-9B contributes to MDA through persistent surveillance using radar, AIS and EO/IR sensors.