A program executive officer, or PEO, is one of a few key individuals in the United States military acquisition process. As can be seen from the examples below, a program executive officer may be responsible for a specific program (e.g., the Joint Strike Fighter), or for an entire portfolio of similar programs (e.g., the Navy PEO for aircraft carriers). The current program executive officers include (but may not be limited to):

Army

Each of the Army PEOs direct the Acquisition Executive's lines of effort, such as Ground combat systems. The PEOs work closely with the directors of Cross-functional teams of the Army's Futures command. By May 2023 the programs for intelligence, electronic warfare and sensors (PEO IEW&S) will take all cyber responsibilities, the network elements, both tactical and enterprise (PEO C3T) will take all network responsibilities, and (PEO EIS) will take the remainder of the affected programs for the Army.

Navy

Air Force

Collaborative combat aircraft are being developed collaboratively by the PEO for fighter aircraft, the commanders of AFRL, Air Combat Command, Air Force Test Center, and USAF deputy chief of staff, plans and programs

Space Force

Military

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