Air force academy Duck missiles in 6-day bivouac. Air cadets study survival on ground. Post Ag 31, 1955 p.1 Deal would let firm keep academy land. RMN S 3, 1955 p.40 Academy's emphasis on history believed unusual in Colorado. RMN S 4, 1955 p.14 Ike calls for more years in classrooms. Post S 12, 1955 p.2 U.S. withdraws land near academy. RMN S 16, 1955 p.48 0