STS-79 pilot Terry Wilcutt makes some notes (019) while mission commander William Readdy reviews his checklist (020-1,027) prior to rendezvous with the Mir space station. Mission specialist John Blaha (holding a battery powered speaker mike unit (BPSMU)) and Readdy work on the aft flight deck during rendezvous with the Mir. Blaha is using the BPSMU to communicate with the Mir 22 crew during the operation (022-6). Blaha reviews a checklist while holding the BPSMU (028).