This is from ANC:

Visitor Rules for Arlington National Cemetery - May 2019

(12.) Engage in any disorderly conduct within the Cemetery grounds. For purposes of this section, a person shall be guilty of disorderly conduct if, with purpose to cause, or knowledge that he is likely to cause, pause inconvenience, annoyance or alarm be:

a. Engages in, promotes, instigates, encourages, or aids and abets fighting, threatening, violent or tumultuous behavior;
Yells, utters loud and boisterous language or makes other unreasonable loud noise;

Interrupts or disturbs a memorial service or ceremony;

Utters to any person present abusive, insulting, profane, indecent or otherwise
provocative language or gesture that by its very utterance tends to incite an immediate breach of the peace;

Obstructs movement on the streets, sidewalks, or pathways of the Cemetery grounds without prior authorization by competent authority;

 Disobeys a proper request or order by the Executive Director, Cemetery special police, park police, or other competent authority to disperse or to leave the Cemetery grounds; or

 Otherwise creates a hazardous or physically offense condition by any not authorized by competent authority.