Ens. Mickelwait was on the USS Core (ACV-13) with a CQTU (Carrier Qualification Training Unit?) early March 1943 off San Diego.
According AAIR involved in an accident on 4 March 1943 with F-4F BuNo 12243, must be one mentioned in the 08-12 timeframe in ships's war diary here:
https://catalog.archives.gov/id/134147024?objectPage=5
Regards,
Leendert