Fix all grammatical errors: The Acoustically Navigated Geological Underwater Survey (ANGUS) is a deep-towed still-camera sled operated by the Woods Hole Oceanographic Institute (WHOI) in the early 1970s.
The Acoustically Navigated Geological Underwater Survey (ANGUS) was a deep-towed still-camera sled operated by the Woods Hole Oceanographic Institute (WHOI) in the early 1970s.