Rolls-Royce Shares Navigate Defense Gains Against Civil Aviation Headwinds

Rolls-Royce shares fall despite strong profits as a major German defense contract boosts its government business, while rising costs and airline criticism pressure its civil aviation division.

The British engineering group Rolls-Royce finds itself in a tale of two markets. A major defense contract with the German military highlights robust growth in its government business, even as emerging challenges in the commercial aviation sector weigh on investor sentiment. This divergence is creating a complex landscape for the company's stock.

Fundamental Strength Amid Share Price Weakness

Despite posting a strong underlying operating profit of £3.5 billion for 2025 and targeting a further increase to up to £4.2 billion for the current 2026 financial year, Rolls-Royce shares have faced recent pressure. The stock closed at €13.04, marking a decline of nearly 16% over a 30-day period and trading notably below its 50-day moving average—a technical indicator that underscores short- to medium-term weakness.

This downward trend persists despite an ongoing multi-billion pound share buyback program, through which the company has already repurchased over 21 million shares. The group's growth is currently being driven primarily by strong demand in its power systems and government-facing divisions.

A "Formula 1 Engine for Tanks" Boosts Defense

A significant contributor to this government segment growth is a lucrative new order from the German Bundeswehr. The company's Power Systems division is set to supply approximately 200 new mtu propulsion units for the Puma infantry fighting vehicle. To meet rising defense sector demand, Rolls-Royce is expanding its production capacity with new manufacturing lines and additional specialized personnel. Deliveries for this specific contract are scheduled to commence in 2028. Company management has internally likened the engine's compactness and power density to a Formula 1 motor for tanks.

Civil Aviation Sector Presents Growing Concerns

Offsetting the positive defense news, risks are accumulating in the core civil aerospace business. Airlines are reportedly voicing criticism over rising maintenance costs, coupled with lengthy repair times and perceived durability issues with certain engines. In response, Rolls-Royce has attributed its pricing strategy to persistent supply chain disruptions and higher associated costs.

A further complicating factor is a weakening global consumer environment, which is prompting some carriers to reconsider fleet expansion plans. This trend threatens long-term order books for wide-body aircraft engines like the Trent XWB.

Investors seeking clearer insight into how this balance between defense strength and civil aviation challenges will resolve can look to upcoming corporate events. The company's Annual General Meeting on 30 April 2026 may offer new commentary, while the half-year report due on 30 July is expected to provide concrete data on the extent to which robust defense orders can compensate for ongoing pressures in the civilian sector.