MIL-HDBK-2069, MILITARY HANDBOOK: AIRCRAFT SURVIVABILITY (10 APR 1997)., This handbook provides guidance and criteria for establishing survivability requirements and conducting survivability plans and programs throughout the system life cycle for fixed and variable wing aircraft, helicopters and remotely-piloted vehicles. The survivability program will include a mix of threat avoidance, reconstitution and repairability, redundancy, and hardening techniques to enhance system survivability to the maximum practical extents.