Deep Rock (19550711-19550718)

Name: Deep Rock (Exercise)

Date: July 19-21, 1955 (tentative)

Location(s): Nantucket Island, New Brunswick, Quebec, James Bay, Goose Bay, Michigan, Indianapolis, Nashville, Virginia.

Purpose: To test and evaluate ADC system restrictions against SAC aircraft penetrations with no specific prior warning or notification.

Notes: The exercise consisted of multiple individual missions, conducted during darkness and without running lights or navigation.