Why are flags lowered to half-staff?

(1:57)

Why are Pennsylvania flags lowered?

(30)

Flags Lowered to Half-Staff in Honor of U.S. Troops Killed in Kabul

(1:32)

Flags lowered at half staff

(15)

Flags lowered to half-staff to honor California shooting victims

(39)

Flags still fly half mast for residential school victims

(2:7)

Ussr flag lowered for last time

(49)

Flags Lowered to Half Staff for Fallen Soldier

(1:40)

White House Reverses Decision, Allows U.S. Flags Lowered To Half Staff For Capital Gazette Victims

(1:8)

RIP Queen Elizabeth II: Our flags are lowered at half-mast in memory of HM Queen Elizabeth II

(1:34)

Flags lowered to half-staff in recognition of Peace Officers Memorial Day

(13)

Flags lowered to half-staff in honor of Annapolis shooting victims

(1:3)

President Obama orders flags lowered to half-staff

(13)

VIDEO NOW: McKee orders flags lowered to honor US service members

(19)

KJP Asked If Flags Will Be Raised From Half-Mast During Inauguration After Trump Expresses Concern

(39)

Flags lowered half-staff for Memorial Day

(20)

Flags Lowered In Colorado To Honor Sen. McCain

(21)

Nassau County executive refuses to fly flags at half-staff

(2:8)

Hickenlooper orders flags lowered to half staff

(13)

Verify: Did Trump violate protocol by raising flags from half-staff?

(2:49)