# Iran shot down a US Navy RQ-4 (BAMS-D) surveillance drone over the Strait of Hormuz (2019) revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Incident: [Iran shot down a US Navy RQ-4 (BAMS-D) surveillance drone over the Strait of Hormuz (2019)](/incidents/iran-rq4-global-hawk-shootdown-2019.md)

_No events on file. Arc G is forward-only; the recorded event log accrues from Arc G adoption. For the current state of this incident, see the incident page._

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /incidents/iran-rq4-global-hawk-shootdown-2019/history. REST: /v1/incidents/0dd9b549-19ef-4118-aefa-707e9cd8e6eb/history. HTML: [/incidents/iran-rq4-global-hawk-shootdown-2019/history](/incidents/iran-rq4-global-hawk-shootdown-2019/history)._