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​​Defense Express' Weekly Review: russia Can Keep No More Than Four A-50U AWACS Flying, While Ukraine Downs Albatros 5M Drone, Hits Shelters, and U.S. Pushes 1000 km PrSM Evolution

The Albatros 5M system / Photo credit: The Defense Intelligence of Ukraine
The Albatros 5M system / Photo credit: The Defense Intelligence of Ukraine

Digest of Defense Express on the main events of the week

russia Can Keep No More Than Four A-50U AWACS Aircraft Flying, That Matters for Future Gripen Operations in Ukraine

russia's ability to conduct airborne early warning operations may be increasingly constrained, with russian sources indicating that only four upgraded A-50U AWACS aircraft remain available for regular flight operations. The limited availability of these radar aircraft could weaken russia's ability to provide long-range targeting support to fighters such as the Su-35S and MiG-31BM, potentially creating new opportunities for future Ukrainian JAS 39 Gripen operations armed with Meteor air-to-air missiles. The report argues that a reduced AWACS fleet would make it harder for russian aviation to coordinate air defense and protect Su-34 strike aircraft conducting guided-bomb attacks near the front line.

The A-50U airborne early warning aircraft Defense Express Defense Express' Weekly Review: russia Can Keep No More Than Four A-50U AWACS Flying, While Ukraine Downs Albatros 5M Drone, Hits Shelters, and U.S. Pushes 1000 km PrSM Evolution
The A-50U airborne early warning aircraft / open source

Ukrainian Air Defenders Shoot Down russia's New Albatros 5M Reconnaissance Drone (Video)

Fighters of Ukraine's 1129th Regiment intercepted russian Albatros 5M UAV, one of Moscow's newer reconnaissance platforms designed for long-range surveillance missions.

Read more: ​Defense Express' Weekly Review: South Korea Blocks Ukraine's KM-SAM II System, U.S. Trains 20 km From Belarus, Ukraine Fields UB82D Drone Mortar Strike System, russia-Aided North Korean Submarines Trigger MH-60R Expansion

India Eyes Five More S-400 Batteries While russia Prioritizes Export Revenue Over Its Own Frontline Needs

India is moving toward the acquisition of five additional S-400 air defense batteries even as russia continues to face mounting pressure on its own air defense network from Ukrainian long-range drone strikes. Moscow appears willing to prioritize lucrative export contracts and the preservation of its position in the Indian defense market despite persistent shortages and battlefield demands at home. The report highlights that russia is rushing to complete deliveries under the original 2018 S-400 agreement while also exploring a follow-on deal that could significantly expand India's inventory of the strategic air defense system.

The S-400 air defence system Defense Express Defense Express' Weekly Review: russia Can Keep No More Than Four A-50U AWACS Flying, While Ukraine Downs Albatros 5M Drone, Hits Shelters, and U.S. Pushes 1000 km PrSM Evolution
The S-400 air defence system / Photo credit: The Indian Air Force

russians Admit Ukrainian Drones Are Successfully Hitting Concrete Aircraft Shelters Built to Protect Against ATACMS

russian military bloggers have acknowledged that Ukrainian drones are successfully striking reinforced aircraft shelters built at russian airbases to protect combat aircraft from long-range attacks.The attacks demonstrate that even heavily fortified concrete structures may remain vulnerable to precision drone strikes, raising questions about the effectiveness of russia's costly airfield protection program launched in 2024. The report suggests that Ukraine's evolving deep-strike capabilities are forcing Moscow to continually adapt its airbase defenses as drones increasingly threaten aircraft and infrastructure far from the front line.

Illustrative image Defense Express Defense Express' Weekly Review: russia Can Keep No More Than Four A-50U AWACS Flying, While Ukraine Downs Albatros 5M Drone, Hits Shelters, and U.S. Pushes 1000 km PrSM Evolution
Illustrative image / open source

Hitting St. Petersburg with HIMARS: U.S. Advances PrSM Increment 4 Engine Toward 1000 km-Class Range

The U.S. Army is moving closer to fielding a next-generation version of the Precision Strike Missile (PrSM) that could extend the reach of HIMARS and M270 launchers beyond 1,000 kilometers. Recent propulsion tests of the PrSM Increment 4 successfully demonstrated a transition from a rocket booster to a ramjet engine, a key milestone ahead of planned flight trials later this year. If ultimately adopted, the missile would provide a dramatic increase in strike range while remaining compatible with existing launch platforms, significantly expanding the long-range precision strike capabilities available to U.S. forces.

Illustrative image Defense Express Defense Express' Weekly Review: russia Can Keep No More Than Four A-50U AWACS Flying, While Ukraine Downs Albatros 5M Drone, Hits Shelters, and U.S. Pushes 1000 km PrSM Evolution
Illustrative image / open source
Read more: ​Defense Express' Weekly Review: Rheinmetall Can Supply 8% of Ukraine's 155 mm Shell Demand, russian Anti-Drone Cages Failed Against Flamingo Missiles, South Korea Copies Ukraine's Tank Protection, Greece Still Refuses Mirage 2000-5 Transfer