most likely: busy and difficult
Answer:
your awnser is "military-industrial complex"
Explanation:
On May 31, 2009, a team of engineers at Woods Hole Oceanographic Institution (WHOI) celebrated as the unique vehicle called Nereus<span> dove to 10,902 meters (6.8 miles) in the western Pacific Ocean’s Mariana Trench.</span>
A) It became the first remote operated deep-sea robot
Hope it helps
¨providing naval assistance¨<span>Hope this helps</span>