Airborne weapons experts at the Boeing Co. got the go-ahead Wednesday to
start building add-on kits for the U.S. Navy Mark 54 lightweight torpedo
that will enable the weapon to glide through the air from altitudes as high as
30,000 feet and enable the Boeing P-8A
Poseidon maritime patrol jet to attack enemy submarines from long ranges.
The Naval Sea Systems Command in Washington
announced a $19.2 million contract Wednesday to the Boeing Co. Defense, Space
& Security segment in St. Charles, Mo.,
to design and build the High Altitude Anti-Submarine Warfare Weapon Capability
(HAAWC) Air Launch Accessory (ALA).
The HAAWC ALA turns the Raytheon Mark 54 torpedo into a glide weapon that
the P-8A aircraft can release from high altitudes. As the flying torpedo
reaches the water, it jettisons wings and other air-control surfaces and takes
on its original role as a smart torpedo that detect, track, and attack enemy
submarines autonomously.
The Mark 54 always has been able to be launched from aircraft, but before
the HAAWC add-on kit air crews had to release the torpedo from altitudes no
higher than about 100 feet.
The HAAWC will enable the P-8A aircraft -- a Boeing 737 passenger jetliner
modified for maritime patrol -- to maintain optimum surveillance altitudes
without wasting the time and fuel necessary to drop to low altitudes to attack
targets and then climb back to high patrol altitudes.
ttacking from high altitudes also enables the P-8A to reduce the time
between target acquisition and attack, as well as launch anti-submarine weapons
outside the ranges of shore-based anti-aircraft defenses.
When launched from 30,000 feet the HAAWC-equipped Mark 54 torpedo will glide
for seven to 10 minutes before entering the water.
While in flight the HAAWC will be completely self-contained. The HAAWC
adaptor kit includes a flight control computer, a GPS-based navigation system,
and power sources. When near the water the system sheds its wings and activates
a parachute that lowers the torpedo to the water to begin its run toward the
target.
HAAWC program requirements require Boeing to build an add-on kit that
requires little or no modifications to the Mark 54 torpedo or to the P-8A
Poseidon maritime patrol aircraft. Boeing's HAAWC contract includes options
that could bring the value of the program to as much as $47 million.
Coincidentally, Boeing officials announced this week that they have handed
over the seventh production P-8A Poseidon to the Navy on schedule March 29,
marking the first delivery from the second low-rate initial production contract
awarded in November 2011. The P-8 is scheduled to replace the ageing Lockheed
Martin P-3 Orion four-engine turboprop maritime patrol plane.
he Mk 54 is an all-digital lightweight torpedo that has advanced software
algorithms from the larger submarine-launched Mark 48 torpedo.
Boeing engineers reportedly will fit the Mark 54 torpedo with the wings
designed for a Standoff Land-Attack Missile-Expanded Response cruise missile to
enable to torpedo to glide to the ocean's surface. The HAAWC tail assembly is
to include the guidance kit designed for the Joint Direct-Attack Munition
(JDAM), which contains a GPS navigation system.
Boeing also could fit the HAAWC with a data link to transmit target position
updates while in flight. Boeing will do the work on this contract in St.
Charles, Mo., and should be
finished by April 2016.
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