restricted programs. These increases were driven by increased sales related to missiles and munitions as well as strong demand in our Mission Systems and Specialty Assembly businesses.
Segment sales for the A&D reportable segment increased $83.4 million, or 15.1%, to $637.7 million for the two quarters ended June 30, 2025, from $554.3 million for the two quarters ended July 1, 2024. The primary drivers of the increase were as discussed in the paragraph above.
Segment Operating Income and Margin Rate
Segment operating income for the A&D reportable segment increased $19.8 million to $45.3 million for the quarter ended June 30, 2025, from $25.5 million for the quarter ended July 1, 2024. Segment operating margin rate for the A&D reportable segment increased to 13.8% for the quarter ended June 30, 2025, from 9.3% for the quarter ended July 1, 2024. The primary drivers of these increases were higher sales volume as discussed above, and improved operational execution.
Segment operating income for the A&D reportable segment increased $26.1 million to $86.1 million for the two quarters ended June 30, 2025, from $60.0 million for the two quarters ended July 1, 2024. Segment operating margin rate for the A&D reportable segment increased to 13.5% for the two quarters ended June 30, 2025, from 10.8% for the two quarters ended July 1, 2024. The primary drivers of these increases were higher sales volume as discussed above, and improved operational execution.
Commercial
Segment Sales
Segment sales for the Commercial reportable segment increased $72.4 million, or 22.4%, to $395.6 million for the quarter ended June 30, 2025, from $323.3 million for the quarter ended July 1, 2024. The primary driver of this increase was strong demand in our data center computing and networking end markets driven by generative AI. In addition, our medical, industrial, and instrumentation end market was also stronger as inventories and demand have normalized in this end market with growth in the industrial and instrumentation areas.
Segment sales for the Commercial reportable segment increased $121.3 million, or 20.0%, to $728.3 million for the two quarters ended June 30, 2025, from $607.1 million for the two quarters ended July 1, 2024. The primary driver of this increase was strong demand in our data center computing and networking end markets driven by generative AI, as well as normalized demand in our medical, industrial, and instrumentation end market.
Segment Operating Income and Margin Rate
Segment operating income for the Commercial reportable segment increased $10.4 million to $60.1 million for the quarter ended June 30, 2025, from $49.7 million for the quarter ended July 1, 2024. However, segment operating margin rate for the Commercial reportable segment slightly decreased to 15.2% for the quarter ended June 30, 2025, from 15.4% for the quarter ended July 1, 2024. The primary driver of the increase in segment operating income was higher sales volume as discussed above, while the segment operating margin rate slightly decreased due to ramp-up costs in connection with our fabrication plant in Penang, Malaysia, as well as product mix change.
Segment operating income for the Commercial reportable segment increased $24.0 million to $103.7 million for the two quarters ended June 30, 2025, from $79.8 million for the two quarters ended July 1, 2024. Segment operating margin rate for the Commercial reportable segment increased to 14.2% for the two quarters ended June 30, 2025, from 13.1% for the two quarters ended July 1, 2024. The primary drivers of these increases were higher sales volume as discussed above, and improved operational execution.
RF&S Components
Segment Sales
Segment sales for the RF&S Components reportable segment increased $1.0 million, or 11.0%, to $10.1 million for the quarter ended June 30, 2025, from $9.1 million for the quarter ended July 1, 2024. The primary driver of this increase was strong demand across the networking and medical, industrial, and instrumentation end markets.
Segment sales for the RF&S Components reportable segment increased $1.5 million, or 8.5%, to $18.9 million for the two quarters ended June 30, 2025, from $17.4 million for the two quarters ended July 1, 2024. The primary driver of this increase was strong demand across the networking and medical, industrial, and instrumentation end markets.
Segment Operating Income and Margin Rate
Segment operating income for the RF&S Components reportable segment increased $0.8 million to $2.9 million for the quarter ended June 30, 2025, from $2.1 million for the quarter ended July 1, 2024. Segment operating margin rate for the RF&S Components