changing of the guard

succession

Following in order

• handoverTransfer of control
• power transferShift of authority between parties
• new leadershipRecently appointed decision-makers

reshuffle · appointment · inauguration · swearing-in · takeover · ascension · new management · restructuring · turnover · replacement

sentry

Guard on duty

• watchPortable timekeeping device
• patrolRegular surveillance route
• reliefEasing of distress

garrison · outpost · detail · guardhouse · post · standing watch · checkpoint · vigil · perimeter · rounds

pageantry

Elaborate ceremonial display

• pompOstentatious display of dignity
• ritualCeremonial set of actions
• spectacleVisually striking event

procession · uniforms · precision · fanfare · bugles · guardsmen · sentinels · royalty · palace · monarchy

• ceremonieswedding ceremony, wedding, weddings, graduation, graduations
• processionsparade, procession, march, funeral procession, military parade
• Arlington Cemeteryeternal flame, headstones, burial plots, grave markers, columbarium
• cavalrycavalry, cavalryman, cavalry brigade, cavalry charges, cavalry officer
• honor guardssentinel, sentinels, sentry, Beefeater, Beefeaters
• military ceremoniesflag ceremony, flag salute, flag raising, flag lowering, flag folding