Leave the odd sentence out.

A
Radio as the primary vehicle for maritime search and rescue has been instrumental in saving countless lives.
B
Its first known use fort this purpose was in 1899 when a lightship in the Straits of Dover used radio apparatus to report the steamship “ELBE” had run aground.
C
However, Morse Code transmission will be eliminated.
D
At once a lifeboat was dispatched to rescue the crew.
E
Since that time many significant technical advances in the use of radio for navigation and distress have made life at sea safer for the modern-day mariner.