I could not verify an exact number of security personnel for the DC July 4 flyover from the available information. What’s reported is a major security surge , including mounted officers, counter-sniper teams, bomb-sniffing dogs, special police vehicles, and an announced National Guard deployment of up to 5,000 troops for the broader summer celebration period.

What is known

  • The military flyovers are scheduled near the National Mall from June 24 through July 10.
  • Public safety officials have said the area will have a much larger-than-normal security presence, but I did not find a public headcount specifically for the flyover itself.
  • The reporting emphasizes screening and visible policing rather than a single published security number.

Practical read

If you’re asking “how many security agents will be there,” the honest answer is: not publicly stated as one exact figure.

If you’re asking whether security will be heavy, the answer is yes, very.

Chinese translation

如果你问的是“4号华盛顿飞越表演会有多少安保人员”，目前公开信息里没有一个明确的总人数 。

但可以确定的是，现场会有非常强的安保部署 ，包括骑警、反狙击小组、炸弹嗅探犬、特殊警车，以及更大范围的国民警卫队支援 。