Robert, you should try the Americal Division vet association web site. I have not used it, but it appears they have a feature they call, "Locator" where you can leave your inquiry. Also, they have unit reunion info posted there. It looks as though the next division reunion is in June. If you could get to a reunion, you might be able to hook up with someone there. Also, you might contact them and see if they know of any smaller groups which are organized (such as a 132nd Infantry assn). The url is: http://www.americal.org/index.shtmlhttp://www.americal.org/index.shtml
Good luck and thanks very much for your service to our country.