Description
The Spotting Charge M3 consists of a glass bottle filled with FS smoke mixture. An ordinary bottle cap seals the mixture. The bottle is held to the Practice Bomb M38A2 by a wire twisted around the neck of the bottle and attached to the tail vanes. The charge assembly weighs 2.54 pounds.
See Also
Source(s)
OP 1664, Volume 2 - US Explosive Ordnance (1947)
