Technician Fifth Grade (Corporal) Billy Gene Ward, 35 090 613, Air Corps, AUS, was declared Missing in Action to date from 11 March 1945. His remains apparently have never been recovered (there's a memorial inscription at American Battle Monuments Manila Cemetery, Fort Bonafacio, Luzon, Philippines but nothing indicating a burial, single or group, anywhere).
The 822d was assigned to Fifth Air Force, equipped with B-25's and based at Lingayan Field, Luzon in the Philippines at the time of his disappearance. You might locate someone who served with him through the Fifth Air Force's veterans association:
Fighting Fifth Association 605 AIS/INY Attn: MSgt Ethridge Unit #5250 APO AP 96328
You can also order his deceased file. You'll find practical instructions at Message #2112. Go back to the Main Page, enter "2112" in the box in the upper right corner labeled, "Jump to #_____" then click on "Go".