• Chemring Group, AEVEX, and Babcock International Group are highlighted as defense stocks with revenue visibility.
• These companies have ties to military systems, surveillance, and unmanned operations.
• Geopolitical risk may bring fresh attention to these stocks.
• The companies have significant order books and multi-year revenue visibility.

The selection of these defense stocks may indicate a shift in investor focus towards companies with strong ties to military systems and surveillance, which could benefit from increased geopolitical tensions. The companies' revenue visibility and order books suggest they may be well-positioned for future growth, which could have implications for the broader defense industry.