DOD

Pentagon

U.S. military headquarters

• armed forcesNation's combined military services
• ArmyOrganized military body
• Air ForceAerial military branch

Coast Guard · Space Force · troops · soldiers · sailors · pilots · infantry · battalion · regiment · division

clearance

Permitted passage or approval

• classifiedRestricted from disclosure
• intelligenceMental ability, cognitive capacity
• cybersecurityProtection of digital systems

encryption · surveillance · confidentiality · top secret · background check · vetting · need-to-know · compartmentalized · counterintelligence · sensitive information

national security

Safeguarding a country's interests

• deterrencePrevention via threatened consequences
• strategyPlanned approach to goals
• protectionGuarding against harm

warfare · armament · conflict · shielding · fortification · alliance · treaty · NATO · preparedness · homeland

contracts

Enforceable written agreements

• contractorsHired service providers
• acquisitionAct of obtaining something
• budgetPlan for spending

funding · Lockheed Martin · Raytheon · Boeing · defense industry · military-industrial complex · bidding · RFP · cost overruns · weapons systems

Department of Defense

U.S. military administration

• PentagonU.S. military headquarters
• abbreviationShortened word form
• initialismSpelled-out letter shortening

federal agency · government · USA · administration · executive branch · secretary · headquarters · national defense · Washington DC · defense department

• military bureausPentagon, NSA, CIA, defense department, admiralty
• US Governmentexecutive branch, legislative branch, judicial branch, Congress, House
• federal governmentexecutive branch, judicial branch, legislative branch, agencies, bureaus
• Military AcronymsAWOL, MIA, KIA, POW, NCO
• federal agenciesFBI, CIA, EPA, IRS, CDC
• Government AcronymsCIA, FBI, EPA, IRS, DOJ