P: Papa
P: Papa Time Zone
P: Peacetime
P: Permanent
P&L: Production and logistics
P&P: Production and Planning
P/O: Pilot Officer
P/S: port and starboard
P2E2I: Pre-Planned Essential Elements of Information
P3I: Pre-Planned Product Improvement
PA: Patrol Air Cushion
PA: Preliminary Assessment
PA: probability of arrival
PA: Proper Authority
PA: Public Affairs
PA: pulse amplitude
PA ANG: Pennsylvania Air National Guard
PA&E: Program Analysis and Evaluation
PAA: Peer Access Approval
PAA: Primary Aircraft Authorized
PAAMS: Principal Anti-Air Missile System
PAATS: Precision Approach Area Tracking System
PABX: Private Access Branch Exchange
PAC: Pacific
PACAF: Pacific Air Forces
PACCS: Post-Attack Command and Control System
PACE: Portable Acoustic Collection Equipment
PACFAST: Pacific Forward Area Support Team
PACFLT: Pacific Fleet
PACOM: Pacific Command
PACOM: United States Pacific Command
PACOPS: Pacific Air Force Operations
PACT: Pre Aircrew Training
PACTAIS: Pacific Theater Air Intelligence System
PACTIDS: PACOM Theater Intelligence Data System
PACVTCN: Pacific Video Teleconferencing Network
PAD: Program Action Directive
PADAR: Passive Airborne Detection & Ranging
PAE: Peer Access Enforcement
PAF: Polish Air Force