If you haven't seen or read it yet, here's Defense Secretary Jim Mattis's farewell message to the Pentagon. Note: the date is written in, not printed. pic.twitter.com/r3BPaUiOvj

— James LaPorta (@JimLaPorta) December 31, 2018

A lesson in the difference between class and classlessness: pic.twitter.com/IfNpVtZXy1

— Matt Lee (@APDiploWriter) December 31, 2018

James D. Melville Jr. served as ambassador to Estonia from 2015 until his resignation in July.

He explains his departure here: https://t.co/hiv6Ki2jtw pic.twitter.com/76IQ41lV28

— Washington Post Opinions (@PostOpinions) October 3, 2018

A top State Department nuclear expert announced his resignation following Trump's Iran deal decision. The office he led at State, on Iran nuclear implementation, has now gone from 7 to 0 staffers. Scooplet from @columlynch and me: https://t.co/7W1CPvN4jd

— Robbie Gramer (@RobbieGramer) May 11, 2018

Посол Хантсман: Сегодня 60 лучших госслужащих США досрочно покинули посольство в Москве. Теперь наш коллектив стал меньше, но не менее предан делу стабилизации отношений между США и Россией – задаче, которая сегодня важна, как никогда. https://t.co/k6pThxtYnV

— Посольство США в РФ (@USEmbRu) April 5, 2018

WATCH: Outgoing Secretary of State Tillerson delivers farewell address to State Department employees:

"This can be a very mean-spirited town … But you don't have to choose to participate in that." https://t.co/RWrORiL38j pic.twitter.com/f3OvL8zf1A

— NBC News (@NBCNews) March 23, 2018

Former U.S.Ambassador to Panama John D. Feeley who retired last week as a U.S. diplomat | Why I could no longer serve this president https://t.co/zP7SmvwuGY

— Diplopundit (@Diplopundit) March 12, 2018