sentences:  The bombings resulted in the implementation of more strict security protocols and systems around the perimeter of the base.It was also determined that an increase in security personnel was in order raising the number to 22 guards, up from 11, funded entirely by the federal government, as well as electric devices added to the fence.Destroyed aircraft were A-7D AF Serial Numbers 72-0189; 72-0219; 72-0221; 72-0222; 73-0994; 73-1050; 74-1748, and 74-1755.