USA 643

USA 643 is classified as:

• Military

NORAD ID: 100643
Int'l Code: 2026-029F
Launch date: February 12, 2026
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

USA 643 is a classified US military payload launched on February 12, 2026, aboard USSF-87 from Cape Canaveral. It is associated with the LDPE-3 (Long Duration Propulsive ESPA-3) mission and is believed to be a US Space Force payload, although its specific mission and capabilities remain undisclosed. Public catalog data identifies it as COSPAR 2026-029F; its orbital parameters and operational status are restricted, so no reliable public orbit or mission details are currently available.

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