Add to ORKG1 image. California Air National Guard, 21 July 1958. Master Sergeant Andrew W. Drysdale; Master Sergeant Walter Brown (Looking over recruiting poster). (Handout).; Supplementary material reads: "(Photo caption). Memories -- M/Sgt. Andrew W. Drysdale (left) and M/Sgt. Walter Brown look over an aged recruiting poster -- the kind that beckoned them almost 30 years ago -- as they prepare for summer field training with the California Air National Guard's 146th Fighter-Interceptor Wing. Drysdale and Brown, the air defense unit's senior sergeants, will make their 22nd annual treks to summer training Friday night, July 18, when the Van Nuys air unit leaves for 15 days of training at Gowen Air National Guard Base, Boise, Idaho"