Aerospace & Defense Technology - May 2021 - 14

Designing Rugged
SWaP-Optimized MOSA Solutions
for UUVs

A

The Knifefish UUV, which is dedicated to mine hunting, is a great example of a UUV designed for a specific purpose. Large displacement
UUVs (LDUUV) range in size from 21 "
to 84 " in diameter and are also
launched on the surface or from a
submarine.
In December 2020, the U.S. Navy released a request for proposals for a new
Large Displacement
Unmanned
Undersea
Ve h i c l e

(LDUUV) program, also known as
Snakehead. Snakehead is a long-endurance, multi-mission UUV, deployed
from submarine large open interfaces,
with the capability to deploy reconfigurable payloads. The government
plans to build two prototype Snakehead platforms in 2021. The last category of UUV, Extra Large, features a diameter greater than 84 " and are pier
launched. Examples of these XLUUVs
include the appropriately named Orca.
The advantages of UUVs are numerous. They can autonomously undertake critical underwater missions
without putting warfighters in
harm's way. They can travel great distances-sometimes missions can involve traveling thousands of miles.
They can remain underwater for a
long time, and for missions such
as ISR, they can collect and
store huge amounts of data.

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Aerospace & Defense Technology, May 2021

(Photo courtesy of General Dynamics)

s the U.S. Navy increases its
investment in its fleet of
unmanned undersea vehicles (UUV), suppliers of
rugged
commercial-off-the-shelf
(COTS) subsystems, providing solutions for mission computers, network
switches and routers, and data storage are meeting the needs of these
unique platforms.
The Navy classifies UUV systems
into four categories, based on their
size and how they are launched.
Small UUVs range in diameter from
3 " to 10 " and can be man portable or
submarine launched. Examples of
small UUVs include the Swordfish
and Sandfish. Medium UUVs
have a diameter of 10 " to 21 "
and are surface or submarine
launched.
Examples
of
medium UUVs include the
Kingfish and the Knifefish.

14

Cov

ToC


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Aerospace & Defense Technology - May 2021

Table of Contents for the Digital Edition of Aerospace & Defense Technology - May 2021

Aerospace & Defense Technology - May 2021 - Intro
Aerospace & Defense Technology - May 2021 - Sponsor
Aerospace & Defense Technology - May 2021 - Cov1
Aerospace & Defense Technology - May 2021 - Cov2
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Aerospace & Defense Technology - May 2021 - Cov3
Aerospace & Defense Technology - May 2021 - Cov4
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