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May/June 2021

Contents 64 • Number ume 64 me 64 • Nu b Volume 64 • Number 4 4Vol ol lum me 64 • N Numb ber r 4Vollume 64 • Number 4

On the Cover

In 2019, Nautilus plied the Paci? c waters off the island of Nikumaroro, searching for any sign of Amelia

Earhart’s lost plane. In the cool, dark control room, we kept a 24-hour vigil. (Photo Gabriel Scarlett/National

Geographic Image Collection) 22 Innovation Down Under Xavier Orr, CEO, Advanced

Navigation, talks about the tech behind the ? rst Digital Fiber

Optic Gyroscope.

24

Fugro

By Greg Trauthwein Need a Survey? 24 ‘There’s a USV for that’ 34 The adoption of unmanned surface vessels (USVs) is spreading rapidly to sectors outside of defense.

By Elaine Maslin 34 Up Close & Personal with Dr. Robert Ballard Ocean explorer Robert Ballard opens up in his new memoir “Into the Deep”, offering rare personal insights on his life & career.

By Greg Trauthwein 34 Weather Spotting

The upcoming UN Decade of

Ocean Science for Sustainable

Development (2021-2030) should herald an increase in marine exploration, aiming to better understand our oceans.

By Celia Konowe 32 4 Editor’s Note 6 Authors 8 Quotable 10 Case Study: Australian Coral 12 Interview: Terradepth 14 Case Study: Arctic Waves 16 Tech Feature: URI Innovation 20 Markets: SUT Subsea Outlook 49 Tech Files 56 Vessels 58 Who’s News?

63 Classi? ed 64 Advertisers Index © Sofar Ocean Rob Lyall/National Geographic Image Collection 2 May/June 2021

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Marine Technology

Marine Technology Reporter is the world's largest audited subsea industry publication serving the offshore energy, subsea defense and scientific communities.