Back Figure 2-39. Static Line Loop Secured to Bridle Loop with Surgeon's Knot and Locking Knot | Up TM-10-1670-271-23P Parachute Personnel Type: 35-Foot Diameter T-10B Troop Back Parachute Assembly NSN 1670-00-091-0720 Manual | Next Packing the T-10B Parachute (CONT) |