SPS- 48 RADAR
BRIEFING: The SPS-48E S-band three-dimensional radar is a
long-range air-detection and tracking radar installed on aircraft
carriers and some amphibious warfare ships. In April 2006, the
Navy awarded ITT Gilfillan a four-year contract with a potential
value of up to $30 million to develop a modernized SPS-48G(V)
under the Radar Obsolescence, Availability Recovery (ROAR)
program. ROAR will cut the total cost of ownership (including
maintenance) by reducing the impact of obsolescence in major
subassemblies and improve operational availability. Once fully
implemented, it will enable the SPS- 48 to remain in service
through 2050. The first SPS-48Gs were delivered in October
2009. The SPS-48G is being installed on aircraft carriers,
amphibious assault ships and amphibious transport dock ships.
The Navy has begun a study to explore options to replace the
SPS-48/49 on aircraft carriers and amphibious assault ships.
CONTRACTOR: ...........IT T Corp.
SPS- 49 RADAR
BRIEFING: The SPS- 49 L-band radar is a long-range, two-dimensional, air-search radar installed on many Navy ships. On
Ticonderoga-class Aegis cruisers, it also complements the SPY- 1
radar suite. The Navy has begun a study to explore options to
replace the SPS-48/49 on aircraft carriers and amphibious
CONTRACTOR: ...........Raytheon Co.
BRIEFING: The SPS- 67 and SPS- 73 are surface search and navigation radars used on many classes of surface ships. The SPS-
74 is an X-band surface search radar optimized for submarine
periscope detection and installed on four aircraft carriers.
Further SPS- 74 production was cancelled in favor of the SPQ-9B
with periscope-detection capability.
CONTRACTORS:.........Northrop Grumman Corp. (SPS-67/74),
Raytheon Co. (SPS- 73)
SPS- 75 TRS-3D RADAR
BRIEFING: SPS- 75 is the new designation for the TRS-3D, a
three-dimensional multimode radar designed to perform surveillance, fire-control, gunfire support and helicopter control.
The radar is optimized to track small, fast-moving targets such
as swarming small boats. The SPS- 75 is installed on Freedom-class littoral combat ships.
CONTRACTOR: ...........Airbus Defence and Space (formerly EADS)
SPS- 77 SEA GIRAFFE AMB RADAR
BRIEFING: SPS- 77 is the new designation for the Sea Giraffe, a
three-dimensional agile multibeam (AMB) radar designed to
perform surveillance, fire-control, gunfire support and helicopter control. The radar is optimized to track small, fast-moving
targets such as swarming small boats, anti-ship missiles and
anti-radiation missiles. The Sea Giraffe is installed on the
Independence-class littoral combat ships.
CONTRACTOR: ...........SAAB Defense and Security USA
BRIEFING: The BPS-15/16 radars are installed on submarines
for navigation and surface surveillance. Variants are installed on
all current classes of U.S. submarines. The X-band radars feature
Automatic Radar Plotting Aid support for target tracking in real
time, along with user configurable target symbols to assist in
accurately determining past, present and future target positions.
The newest version, being installed on Block III Virginia-class
SSNs, is the BPS- 16(V) 5, fully integrated with the submarine’s
tactical local-area network.
CONTRACTOR: ...........Northrop Grumman Corp.
SURVEILLANCE MEASURES (ESM),
SYSTEMS (ECM) AND SIGNALS
INTELLIGENCE (SIGINT) SYSTEMS
BRIEFING: The AIS is a commercially available shipboard broadcast VHF maritime band transponder system that can transmit
ship information, including navigation, identification and cargo.
AIS is mandated by the International Maritime Organization for all
merchant vessels of more than 300 tons. Warships are exempt.
AIS significantly increases the ability of the Navy and allied
nations to distinguish between normal and suspicious merchant
ships headed toward U.S. and allied ports. Navy warships using
AIS have observed dramatic increases in situational awareness,
ship safety and intelligence gathering. In 2005, Navy leaders identified AIS as an urgent capability and directed fielding of standalone AIS on all warships by fiscal 2006 and integrated AIS
(machine-to-machine data integration with GCCS-M) in 2007-
NAVY C4ISR AND UNMANNED SYSTEMS
SHIPBOARD RADAR SYSTEMS
SPS- 73 RADAR CONSOLE ABOARD USS DONALD COOK