Bainbridge worked with Captain Samuel P. Davalos on the construction of the Trinity Base Camp and its facilities, which included barracks, warehouses, workshops, an explosive magazine and a commissary.
Bainbridge arbejdede sammen med kaptajn Samuel P. Davalos på etableringen af Trinity Base Camp og dens faciliteter, som omfattede barakker, lagre, værksteder, et sprængstofmagasin og et marketenderi.