I can envision B-29D's (the proposed Pratt and Whitney R-4360 Wasp Major powered B-29 later introduced as the B-50) or B-39's (Allison V-3420 powered B-29) escorted by P-80's and F8F's over Tokyo. Damage assessment recon. missions flown by Republic F-12 Rainbows and Hughes F-11's afterward.