Numerous concise recommendations appear in the notebook volume bearing the number 401.0-B. Each recommendation is dated, and the most recent revision is shown in the table of contents. These Recommendations are developed for conventional near-Earth and deep-space missions having moderate communications requirements. The current issue adds new recommendations 2.4.19, 2.6.9A, 2.6.10A; updates recommendations 2.2.7, 2.4.12B, 2.4.18, 4.2.1; and updates subsection 5.1.