Figure 1.3 Initial docking conditions, z, y, z are the reference system of coordinates for the parameters of the initial conditions; arc the relative velocities; are the angles between the axis z and the projection of axis into plane . Figure 1.4. Visor equipment of the Soyuz and Apollo spacecraft, a. for redocking; b. for docking using APDA; 1. target on adapter of the booster; 2. image of a grid in the field of vision; 3. left forward window of the command module; 4. position of the right eye of the astronaut; 5. main target; 6. back up target; 7. visor; 8. target of the docking module.
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