The highest estimate offered thus far by American officials for the cost of upgrading submarine detection has been $1 billion.
I simply want to know how many people know about this submarine detection.
These sonobuoys are not designed for use in submarine detection or localization.
More recently indirect methods of submarine detection have been tried, mainly via its wake.
But this is bad place for submarine detection.
After American entry into the war in 1917, they encouraged work on submarine detection.
She also contributed to research to assist the Navy in developing techniques and equipment for submarine detection.
They have a central computer system for submarine detection, processing of information, and firing of weapons.
Other groups worked on submarine detection, adhesives chemistry, and engine health monitoring.
During World War I, he worked on the practical problems of submarine detection.
