During World War II,the Allied Development of the Gee Navigation

Multiple Choice

During World War II,the Allied development of the Gee navigation system

A) was first used in the last months of the war.
B) sent a sonic message telling pilots they were in range of their targets.
C) used electronic pulses to plot course locations.
D) proved ineffective at sea.
E) raised the accuracy rate of night-bombing raids to 30 percent.