2. (U) PURPOSE: THE U.S. ARMY AERIAL DELIVERY AND FIELD SERVICES
DEPARTMENT/AERIAL DELIVERY READINESS AND SAFETY TEAM AND THE
ARMY SENIOR AIRDROP ADVISOR RELEASES THIS GUIDANCE TO
STANDARDIZE MARKINGS ON THE UNIVERSAL STATIC LINE (USL) (MODIFIED)
AND 5-FOOT USL EXTENSION (5FT USL EXT) FOR USE AS TRAINING AIDES, ON
CARGO SYSTEMS, AND PREVENTION OF UNSERVICEABLE ITEMS FROM USE
TO MITIGATE CATASTROPHIC OR SERIOUS INCIDENTS ON LIVE PERSONNEL
PARACHUTE SYSTEMS.
https://armypubs.army.mil/epubs/DR_pubs/DR_a/ARN43254-ALARACT_0232025-000-WEB-1.pdf