Each mission is composed of at least three planes. each capable of carrying 30 tons of bombs. Given the intensive airwar over North and South Vietnamlet alone Laos and Cambodiais it any wonder. Mr. President. that American officials in Saigon report that civilian war casualties in South Vietnam have at least doubled in recent months? Is it any wonder that South Vietnam is experiencing the largest refugee movement in the history of the war? Is it any wonder that combatant casualties are high on both sides. and that American pilots are being downed at an alarming rate? Is it any wonder that American visitors to North Vietnam tell of civilian war victims and death?