Ken Mattingly was moved from the assist crew into parallel training with Anders as backup CMP just in case Apollo 11 was delayed previous its supposed July launch day, at which stage Anders might be unavailable.[59] Apollo eleven Room-flown silver Robbins medallion The astronauts had own preference kits (PPKs), https://lowpowermicrocontrollers64296.blogpostie.com/55435039/ambiq-singapore-office-secrets