TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
Page 325 of 775
TM 9-2350-311-10 2–12 PREPARATION FOR FIRING — CONTINUED 2-12.7 Direct Fire Procedures — Continued b. Two Man/Two Sight System — Continued 2-227