US B-52 Stratofortress crews look at an AGM-183 Air-Launched Rapid Response Weapon (ARRW) during a hypersonic weapon familiarisation briefing at Andersen Air Force Base, Guam, on 27 February. The yellow bands on the missile indicate that it is a live round. (USAF/SSgt Pedro Tenorio)

The US Air Force (USAF) has deployed a hypersonic AGM-183 Air-Launched Rapid Response Weapon (ARRW) on Guam for testing.

The presence of this hypersonic glide vehicle (HGV) was disclosed in USAF-published photographs on 28 February. The missile’s appearance on Guam comes nearly a year after the ARRW programme was slated for cancellation.

USAF spokesperson Ann Stefanek told Janes on 5 March that the ARRW programme is “in the operational test phase”. Separately, a safety notice issued by the Maritime Safety Office details a weapons test to be held in the Central Pacific, at Kwajalein, from 3 to 10 March. It is likely that the missile has already undergone a test or will be test-launched from a Boeing B-52H Stratofortress deployed on Guam during this period.

However, in response to a query about whether the test had been conducted, a USAF spokesperson told Janes