An entry in the July 12 Daily Report confused the Air Force’s Advanced Engine Technology Program and Pratt & Whitney’s own F135 engine improvement program. Pratt’s Block 1 upgrade is expected to deliver a 7-10 percent increase in efficiency over the existing F135, while Block 2, building on Block 1 and incorporating technology from the AETP, will up the efficiency to a total 25 percent better fuel burn over the existing F135. We have corrected the original entry.
House, Senate Unveil Competing Proposals for 2026 Budget
July 11, 2025
Lawmakers from the House and Senate laid out competing versions of the annual defense policy bill on July 11, with vastly different potential outcomes for some of the Air Force’s most embattled programs.