On 6 December 1941, twelve B-17Es (four from the 38th Recon Squadron & eight from the 88th Recon Squadron) were scheduled to depart Hamilton Field for Hickam Field on Oahu. Two B-17Es from the 38th and one from the 88th (41-2411) did not depart, one from the 88th (41-2431) returned to Hamilton Field, two from the 38th (41-2408 & 2413) and six from the 88th (41-2416, 2429, 2430, 2432, 2433 & 2434) arrived over Oahu during the attack (as well as 4 B-17Cs from the 38th.) Can anyone tell me the serial numbers of the two 38th Recon Squadron B-17Es that failed to depart Hamilton Field on the 6th? Thanks!