Apollo 8 prime crew seen inside Apollo Boilerplate during water egress

S68-53015 (25 Oct. 1968) --- Astronauts William A. Anders, James A. Lovell Jr., and Frank Borman, (left to right) are seen inside Apollo Boilerplate 1102A during water egress training in the Gulf of Mexico. Borman is Apollo 8 commander; with Lovell serving as command module pilot; and Anders as lunar module pilot. Photo credit: NASA