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Tethered Aerostat Radar System (TARS)
User Service: Air Force
Manufacturer: ILC Dover
Inventory: 10 Delivered/10 Planned
Background: TARS primary mission is to provide low level
radar surveillance data in support of federal agencies involved in
the nation’s drug interdiction program. Its secondary mission is
to provide North America Aerospace Defense Command with
low level surveillance coverage for air sovereignty in the Florida
Straights. One aerostat, located at Cudjoe Key, FL, transmits T
Marti, which sends American television signals to Cuba for the Office of Cuba broadcasting. All radar
data is transmitted to a ground station, then digitized and fed to the various users. Airborne time is
generally limited by the weather to 60 percent operational availability; notwithstanding weather, aerostat
and equipment availability averages more than 98 percent system wide. For security and safety reasons,
the air space around USAF aerostat sites is restricted for a radius of at least two to three statute miles and
an altitude up to 15,000 feet. http://www2.acc.af.mil/library/factsheets/tars.html.
Characteristics:
TARS TARS
Length 208 ft Tail Span 100 ft
Volume 275,000/420,000 ft3 Payload Capacity 1,200 lb
Performance:
Endurance 10/30 days Altitude 12,000-15,000 ft
Sensor Radar Sensor Make AN/TPS-63
2.5.3
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Joint Land Attack Elevated Netted Sensor (JLENS)
User Service: Joint (Army Lead)
Manufacturer: Raytheon/TCOM
Inventory: 12 Planned
Background: JLENS is primarily intended to tackle the growing threat
of cruise missiles to U.S. forces deployed abroad with radars to provide
over-the-horizon surveillance. A JLENS system consists of two
aerostats, one containing a surveillance radar (SuR) and one containing a
precision track illumination radar (PTIR). Each aerostat is tethered to a
mobile mooring station and attached to a processing station via a fiber
optic/power tether. The SuR provides the initial target detection and t
cueing to the PTIR, which generates a fire control quality track. The JLENS system is integrated into th
joint tactical architecture via Link 16, cooperative engagement capability, single-channel ground and air
radio system, and enhanced position location reporting system. Both radar systems will include
identification, friend or foe interrogators.
Characteristics:
JLENS JLENS
Length 233 ft Tail Span 75 ft
Volume 590,000 ft3 Payload Capacity 5,000 lb
Performance:
Endurance 30 days Altitude 10-15,000 ft
Sensor Radar Sensor Make Jasper
SECTION 2 - CURRENT UA PROGRAMS
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UAS ROADMAP 2005
2.5.4 Rapid Aerostat Initial Deployment (RAID)
User Service: Army
Manufacturer: Raytheon/TCOM
Inventory: 3 Delivered/3 Planned
Background: The Army initiated RAID to support Operation
ENDURING FREEDOM (OEF). The tethered RAID aerostat
was a smaller version of the JLENS platform, operating at an
altitude of 1,000 feet and with a coverage footprint extending
for several kilometers. In Afghanistan, the RAID aerostat is
performing the missions of area surveillance and force protection against small arms, mortar and rocket
attacks. Although considerably smaller than the JLENS platform, and performing missions secondary to
those of missile detection and early warning, the RAID experience in Afghanistan represents a valuable
learning opportunity that should be useful to future tactical users of the JLENS.
Characteristics:
RAID RAID
Length 49 ft Tail Span 21 ft
Volume 10,200 ft3 Payload Capacity 200 lb
Performance:
Endurance 5 days Altitude 900+ ft
Sensor EO/IR Sensor Make FSI Safire III
2.5.5 Rapidly Elevated Aerostat Platform (REAP)
User Service: Army
Manufacturer: Lockheed Martin/ISL-Bosch Aerospace
Inventory: 2 Delivered/2 Planned
Background: REAP was jointly developed by the Navy’s Office of Naval
Research and the Army’s Material Command for use in Iraq. This 31-feet
long aerostat is much smaller than the TARS, and operates at only 300 feet
above the battlefield. It is designed for rapid deployment (approximately 5
minutes) from the back of a HMMWV and carries daytime and night vision
cameras. Its sensors can see out to 18 nm from 300 feet. REAP deployed to
Iraq in December 2003.
Characteristics:
REAP REAP
Length 31 ft Tail Span 17 ft
Volume 2,600 ft3 Payload Capacity 35 lb
Performance:
Endurance 10 days Altitude 300 ft
Sensor EO Sensor Make ISL Mark 1
IR Raytheon IR 250
SECTION 2 - CURRENT UA PROGRAMS
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UAS ROADMAP 2005
2.5.6 High Altitude Airship (HAA)
User Service: Army
　
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