Final answer:
The exact number of campaign streamers with the spearhead device cannot be provided without specific context, as these are unit-specific and vary by military campaign.
Step-by-step explanation:
The question "How many campaign Streamers have the spearhead device?" pertains to the military history of the United States. In the context of U.S. military traditions, campaign streamers are decorations attached to military flags to recognize particular military campaigns participated in by military units. The spearhead device is used to denote a unit’s initial landing in a military operation. However, since campaign streamers with spearhead devices are not a standardized recognition and could vary depending on time period and specific military campaigns, providing an exact number without specific context is not possible. For current and historical counts of campaign streamers with such devices, one would have to refer to the detailed histories of individual military units or directives from the Department of Defense.