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Pelaluma 12lh Naval Dislricl Twgel No. 9
AIRCRAFT ROCKET, 3.5 INCH, Mk 4
SEMI-ARMOR PIERCING
3.5-irach aircrd rocked (3.5-irach k dMK 8 M d 1 md 3.2Pimh modor ItM 7
NO PICTURE AVAILABLE FOR THE 3.5-INCH Mk 4
Use. The 3.5-inch rockets are designed for use against smaller targets, such as submarines and tanks. Due
to the small amount of explosives the HE and AP head were not issued.
Descriplion. The head has a semi-mor-plercmg nose and is filled with 1 -pound of hgh explosives. The
High Explosive and Semi-Annor Piercmg Heads were hscontinued due to the small amount of
explosives carried, and replaced with the 5 .O-inch heads.
Head Length: ...................................................... 13.4 inches
Head Weight: ...................................................... 20.2 pounds
Filler: ................................................................... TNT
Filler Weight: .................................................... 1.0 pounds
Total Weight: ...................................................... 53.9 pounds
Total Length: ..................................................... 5 . inches
Fuzing: ................................................................ Base he, Mk 146
Motor: ................................................................ .3.25-inch Mk 7
References: NAVSEA OP 1664, U.S. Explosive Ordnance Disposal, May 1947; TM 9-1950, Rockeds,
July 1950
Appendk C - Texd / MmuaL
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