If you have his social, there is a way to track down at least his service picture and possibly his class photos from at least his initial training. Not much work at all and while it may not result in a ton of pics, it'd be something. It involves dealing with the Veterans Affairs office , but to start, get in touch with your county veterans office, much easier and quicker results. Course if you don't have the social, it's a little more involved but doable. My wife's maid of honor did this very thing several years ago, her grandpa was killed in Korea, they ended up with 3-4 photos for free