When you have a number of choices to select from, use a list or a chart. Draw a circle or a semi-circle with a radius of about 4 - 6. Mark the choices off as degrees on the circle. Hold the pendulum in the center and the swing of the pendulum will line-up with the appropriate marked off selection.
April 24, 1965 - President Johnson announces Americans in Vietnam are eligible for combat pay. May 3, 1965 - The first U.S. Army combat troops, 3500 men of the 173rd Airborne Brigade, arrive in Vietnam.
Deeper American involvement in Vietnam was now highly anticipated. On February 13, 1965, President Johnson approved Operation Rolling Thunder â a sustained campaign of aerial bombardment against the North Vietnam.verview. During the Operation Rolling Thunder, U.S. aircraft had flown more than 300,000 sorties and dropped about 643,000 tons of bombs on North Vietnam. Due to operational circumstances, more than 900 U.S. aircraft were lost, 745 crewmen was shot down.