TM-9-2350-311-10
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; OPERATOR’S MANUAL
NOVEMBER 1994
TM-9-2350-311-10 - Page 281 of 775
TM 9--2350--311--10
Change 6
2--183
2--12 PREPARATION FOR FIRING — CONTINUED
2--12.2
Boresighting — Continued
d. Checking Boresight of M117/M117A2 Panoramic Telescope Using the M140/M140A1 Alinement Device
— Continued
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