DetDeterminationTrump 45 · R Quiet signal

Presidential Determination

Presidential Determination Pursuant to Section 303 of the Defense Production Act of 1950, as Amended

This presidential determination invokes Section 303 of the Defense Production Act to declare that domestic manufacturing capability for F135 Integrally Bladed Rotors—critical components for the F-35 fighter jet engine—is essential to national defense. It authorizes Defense Production Act tools including purchases, purchase commitments, or other actions to sustain this industrial base capability, finding that market forces alone cannot adequately or timely provide this production capacity.

Impact dates

  1. Federal Register publication filed

Key directives

  • Determine F135 Integrally Bladed Rotor domestic manufacturing capability essential to national defense per DPA Section 303(a)(5)
  • Authorize purchases, purchase commitments, or other DPA actions as most cost-effective alternative
  • Direct Secretary of Defense to publish memorandum in Federal Register

Who is ordered

Timeline

Immediate

  • Determination takes effect upon signing; DPA Section 303 authority activated for F135 Integrally Bladed Rotors

Near term (90d)

  • DOD may initiate purchases, purchase commitments, or other DPA actions to sustain production capability

Long term

  • Continued domestic sourcing policy for advanced turbine engine components; potential precedent for other defense-critical supply chains

Risks & tensions

  • Specific dollar amounts and contract actions not disclosed—scope of financial commitment unclear
  • May signal supply chain vulnerability or contractor financial stress in F135 program
  • Limited transparency on whether this responds to Pratt & Whitney specific need or broader industrial base concern
Presidential Determination: Presidential Determination Pursuant to Section 303 of the Defense Production Act of 1950, as Amended · Executive Orders