All items form part of Minuteman missile guidance computer (Item X1502.97). There are seven pieces. A: 4.8 KC Power supply. B: Alignment set. C: Converter - digital resolver. D: Ampl.-Elect. Cont. V. M.. E: Ampl.- Elect. Cont. V. M.. F: Ampl.-Elect. Cont. G: Stable Platform Unit + Platform support. H: Bag of hardware for missile (panel screws)