Executive Summary

Recent OSINT flight tracking highlights heightened military aviation activity across the CENTCOM and European theaters, alongside notable aircraft movements in the Arctic and CONUS. Satellite imagery revealed a major buildup of at least 25 U.S. Air Force tankers at Al Udeid Air Base in Qatar, while U.S. bomber operations continue from RAF Fairford with B-1B training sorties. ISR and maritime patrol flights remained robust, with multiple P-8 Poseidon and E-2 Hawkeye deployments tracked across the U.S., U.K., and India, alongside a brief in-flight emergency involving a KC-135 Stratotanker. Significant milestones included the first Danish F-35A deployment to Greenland and the final retirement of A-10C operations at Davis-Monthan AFB.

Key Events

• Satellite imagery confirms a surge of at least 25 USAF tankers at Al Udeid Air Base, Qatar, remaining dispersed due to missile threat precautions. → link
• A USAF KC-135R Stratotanker (REACH 724) declared a general emergency shortly after departing Aviano Air Base, Italy, safely diverting to RAF Mildenhall. → link
• Denmark deployed F-35A Lightning IIs to Greenland for the first time as part of NATO's Arctic Sentry initiative, joining U.S. F-16s and Canadian CF-18s. → link
• B-1B Lancer bombers ("Oh! Hardluck II" and "The Reluctant Dragon") conducted training sorties from RAF Fairford, U.K. → link
• Davis-Monthan AFB officially inactivated its last A-10C Thunderbolt II units, marking the end of Warthog operations at the base. → link
• China's J-36 sixth-generation tailless stealth fighter was spotted conducting daylight test flights with visible design changes. → link
• Returning CENTCOM deployment aircraft faced issues: EA-18G Growlers finally departed Lajes for the U.S., while a KC-46A and F-16C experienced delays and an emergency diversion during a Coronet East mission. → link

Analysis

The concentration of tanker assets at Al Udeid highlights sustained U.S. and coalition air power readiness in the CENTCOM region post-Iran war, despite ongoing threats. The return of VAQ-132 EA-18G Growlers and KC-46 tankers indicates a drawdown of certain surge forces, though transit issues highlight the logistical challenges of global power projection. The deployment of F-35s to Greenland and Germany's receipt of its first F-35A underscore NATO's continued shift toward fifth-generation Arctic and European deterrence. Meanwhile, B-1B operations from RAF Fairford and high-profile VIP flight tracking (Air Force One/Two, RAF Sparrowhawk) reflect ongoing strategic posturing and diplomatic movements around the UN General Assembly. Watch for potential B-2 and F-22 flyover activity in Washington D.C. later this week, and continued maritime patrol surges in response to shipping incidents in the Strait of Hormuz and Bab al-Mandab.

Tweet Feed

VIP & Executive Transport

@DeepTraceAlerts · 2026-09-21T18:27

🚨 POTUS FLEET DETECTED 🚨 ✈️ Aircraft: Air Force One (92-9000) 📍 Location: 38.9139, -76.7807 → tweet link

@DeepTraceAlerts · 2026-09-21T15:30

🚨 POTUS FLEET DETECTED 🚨 ✈️ Aircraft: Air Force Two (99-0003) 🆔 Callsign: VENUS21 📍 Location: 38.8477, -76.8970 → tweet link

@DefenceGeek · 2026-09-21T18:21

UK PM travels to UN General Assembly A321LR "SPARROWHAWK645" G-GBNI #407DFC travelling EGSS -> KJFK → tweet link

@WarWatchIntel · 2026-09-21T18:16

✈️ SAM162 SPOTTED SAM162 20-1949 USAF 89th Airlift Wing Andrews Air Force Base GULFSTREAM 5 #AE6CF2 ADS-B → tweet link

Bomber & Fighter Deployments / Exercises

@DefenceGeek · 2026-09-21T15:06

RT @CraigYoungMedia: B-1B "Oh! Hardluck II" Leaving RAF Fairford for a training sortie → tweet link

@DefenceGeek · 2026-09-21T15:01

RT @CraigYoungMedia: B-1B “The Reluctant Dragon” off on a training sortie from RAF Fairford → tweet link

@TheAviationist · 2026-09-21T10:50

Denmark Deploys F-35s to Greenland for the First Time Two Royal Danish Air Force F-35A Lightning IIs landed at Kangerlussuaq Airport alongside U.S. F-16s and Canadian CF-18s as part of NATO’s Arctic Sentry initiative. → tweet link

@SkyGlass12 · 2026-09-21T12:01

GERMANY'S FIRST F-35 IS HERE Lockheed Martin has officially handed over Germany’s first F-35A Lightning II, a game-changer for NATO and European defense. → tweet link

@GlobalOSINTHQ · 2026-09-21T14:29

China's J-36 sixth-gen fighter was spotted on daylight test flights today. The tailless, three-engine stealth aircraft (~22m long, 50+ tonnes) has up to five prototypes flying with visible design changes. → tweet link

@TheAviationist · 2026-09-21T10:43

F-22 Raptor Spotted Again With Stealth Pods and Unusually Colored Underside New photos provide another look at an F-22A Raptor carrying the external sensor pods, while also revealing distinctive light-colored panels on the aircraft's underside. → tweet link

@sentdefender · 2026-09-21T14:17

The State Arrival Ceremony on Thursday will feature... a flyover of a B-2 Spirit and four F-22 Raptors. → tweet link

@WarWatchIntel · 2026-09-21T18:46

✈️ ZAPPR11 SPOTTED ZAPPR11 169133 BOEING FA-18 SUPER HORNET #AE5B2E MLAT → tweet link

@TheAviationist · 2026-09-21T12:32

Davis-Monthan AFB Inactivates its Last A-10C Thunderbolt II Units The 355th Operations Group, 357th Fighter Squadron, 357th Fighter Generation Squadron, and 355th Training Squadron were inactivated during a ceremony, marking the end of A-10 operations at Davis-Monthan. → tweet link

Tanker Operations & Deployments

@GlobalOSINTHQ · 2026-09-21T17:03

Satellite imagery shows at least 25 U.S. Air Force tankers at Al Udeid Air Base in Qatar, the largest tanker presence there since the Iran war began in February. The aircraft remain widely dispersed across the base’s aprons due to continued precautions against Iranian attacks... → tweet link

@DefenceGeek · 2026-09-21T17:27

MAP: US Aerial Refuelling Tanker Bases & Tracks in Europe/Mediterranean #IranWar‌ Factoring in some feedback from yesterday's map... today's map covers the aerial refuelling tracks and bases across Europe that supported the deployment of fast-jets into CENTCOM, and supported the bomber combat missions flown from RAF Fairford (EGVA) during the war. → tweet link

@DefenceGeek · 2026-09-21T18:18

Hmm... aerial refuelling support to the Saudis, who already have a fleet of aerial refuelling tankers larger than the RAF's own... → tweet link

@DefenceGeek · 2026-09-21T12:47

UPDATE: Coronet East 114 - Stragglers Broken Again! #IranWar‌ "BORA22" has now begun flying back to Lajes (LPLA) and climbed to FL330, while "BORA21" has diverted and is currently holding at FL190 over Vermont with F-16C "TREND85" having declared an emergency of some sort to Burlington Airport (KBTV). → tweet link

@DefenceGeek · 2026-09-21T15:12

UPDATE: Coronet East 121 - Growlers Go Home #IranWar‌ The pair of EA-18G "Growler" jets from VAQ-132 that were unable to depart yesterday due to a fault have now departed Lajes (LPLA) heading back to the mainland US. → tweet link

ISR & Maritime Patrol Flights

@SkyGlass12 · 2026-09-21T15:27

🚨 Overwatch Alert 🚨 @@@@@@@@ [ P8 ] OFF Ground : Lossiemouth GB This UK-registered P-8 military aircraft recently took off from Lossiemouth, likely conducting maritime surveillance, reconnaissance, or ISR missions. → tweet link

@SkyGlass12 · 2026-09-21T14:37

🚨 Overwatch Alert 🚨 CRONS02 [ P8 ] OFF Ground : Forres GB A UK-registered military P-8 aircraft, CRONS02, just took off from Forres, likely conducting maritime patrol, reconnaissance, or sovereignty enforcement. → tweet link

@SkyGlass12 · 2026-09-21T17:02

🚨 Overwatch Alert 🚨 [ NA ] [ P8 ] OFF Ground : Kadambuttur IN This India-registered P8 maritime patrol aircraft, classified as military, just lifted off near Kadambuttur, indicating a likely surveillance or reconnaissance mission over the Indian Ocean region. → tweet link

@SkyGlass12 · 2026-09-21T17:10

🚨 Overwatch Alert 🚨 VVBH341 [ P3 ] ON Ground : Port Hueneme California US A U.S. military P-3 Orion aircraft is ground at Port Hueneme, California, indicating a possible arrival or deployment. The P-3 Orion is typically used for maritime surveillance, reconnaissance, anti-submarine warfare... → tweet link

@SkyGlass12 · 2026-09-21T17:10

🚨 Overwatch Alert 🚨 UAV13 [ Q9 ] ON Ground : Adelanto California US UAV13 is a US-registered General Atomics MQ-9 Reaper drone, likely engaged in surveillance or reconnaissance missions. Its ground position at Adelanto, California, suggests routine testing, training, or intelligence gathering. → tweet link

@SkyGlass12 · 2026-09-21T13:30

🚨 Overwatch Alert 🚨 GRYHK03 [ E2 ] OFF Ground : Norfolk Virginia US The aircraft is a U.S. Navy E-2 Hawkeye, likely on a military mission such as airborne early warning, command, or surveillance. → tweet link

@SkyGlass12 · 2026-09-21T13:30

🚨 Overwatch Alert 🚨 SCWTP33 [ E2 ] OFF Ground : Newport News Virginia US A U.S. military E-2 aircraft operating near Newport News, Virginia, indicates surveillance or command and control mission activity... → tweet link

Military Aviation Incidents & Alerts

@ArmchairAdml · 2026-09-21T09:24

USAF United States Air Force - 🚨 7700 General Emergency

Boeing KC-135 Stratotanker 1x

AE0505 60-0366 - REACH 724

REACH 724 departed Aviano Air Base earlier this morning and is now declaring an emergency and appears to be diverting to RAF Mildenhall. → tweet link

@TieDyeIntel · 2026-09-21T02:34

RT @Aviation_Intel: Shahed-136 Clone Found By Florida Fisherman, Eglin AFB Admits It Lost A Drone The drone hauled in off Florida appears... → tweet link

Air Defense, UCAVs & Infrastructure

@UKDefJournal · 2026-09-21T18:01

Defence Equipment and Support has signed a contract with Jeppesen UK for navigation and flight planning services to support the Royal Air Force's E-7 Wedgetail airborne early warning aircraft. → tweet link

@UKDefJournal · 2026-09-21T15:16

The Ministry of Defence has signed a contract for a rapidly deployable air raid warning system at RAF Akrotiri in Cyprus... → tweet link

@UKDefJournal · 2026-09-21T15:10

A new FQ-42 Vengeance Collaborative Combat Aircraft has been delivered to Creech Air Force Base in Nevada... → tweet link

@UKDefJournal · 2026-09-21T16:31

PHASA-35, the solar-powered stratospheric aircraft developed by BAE, has been selected as the flight demo platform for a power beaming technology intended to keep high-altitude aircraft flying through the night... → tweet link

@WarWatchIntel · 2026-09-21T03:16

⚡ BREAKING NEWS Denmark will fast-track a $275 million military aid package to bolster Ukraine’s air defense ahead of winter. → tweet link

Radio Comms & EAMs

@WarWatchIntel · 2026-09-21T19:01

📡 HOURLY UPDATE Busier than usual over Korea / Japan. 6 notable military aircraft in the air. 22 coded US Air Force radio broadcasts heard today. → tweet link

@WarWatchIntel · 2026-09-21T03:47

🚨 EAM HEADER / PREAMBLE REPORTED Header Code: ACDAOM Reported by RobertChester-j5b 21:33 ZULU → tweet link