Difference between Postmaster General and Lieutenant Junior Grade

POSTMASTER GENERAL vs LIEUTENANT JUNIOR GRADE: NOUN

A commissioned officer in the United States Coast Guard, Public Health Service, or National Atmospheric and Oceanic Administration whose rank is above an ensign and below a lieutenant.
A commissioned officer of the United States Navy whose rank is above an ensign's and below a lieutenant, or a corresponding rank in other navies.
One who holds this rank.
A commissioned rank in the US Navy or Coast Guard that is above ensign and below lieutenant.
An officer holding a commissioned rank in the United States Navy or United States Coast Guard; below lieutenant and above ensign

Airmail, Stamps, Air marshal, Equerry, Postie, Demitting, Postman, Philatelist, Postmistress, Adjutant general, Adjutant, Viceroy, Consul general, Postal, Postmaster

Seven, Admiral, Major general, Major, First lieutenant, Ranking, Ranked, Commander, Lieutenant junior grade, Captain, Worf, Mastering, Master, Ensign, Lieutenants junior grade

Telegrams, Governor general, Airmail, Stamps, Air marshal, Postie, Postman, Philatelist, Postmistress, Adjutant general, Adjutant, Viceroy, Consul general, Postal, Postmaster

Sublieutenant, Subaltern, General, Seven, Admiral, Major, First lieutenant, Ranking, Ranked, Commander, Lieutenant junior grade, Captain, Worf, Master, Ensign

Lead fundraiser for Charlotte RNC named postmaster general.
Postmaster General Smith Speaks of the Keystone State.
Letter to Hubert Works, Postmaster General from Chas.
Deputy Postmaster General, usually relating to personnel matters.
The Chief Postal Inspector shall report to, and be under the general supervision of, the Postmaster General.
Offices of First, Second, Third, and Fourth Assistant Postmasters General abolished and Deputy Postmaster General and four Assistant Postmasters General established by Reorg.
Jefferson consulted Postmaster General Gideon Granger of Connecticut and Attorney General Levi Lincoln of Massachusetts while drafting the letter.
Postal Service: The General Accounting Office and the Postmaster General.
Smith, Secretary of State William Seward, Postmaster General Montgomery Blair, and Attorney General Edward Bates.
The postmaster general and the deputy postmaster general are also voting members of the Board of Governors.

Delta Quadrant, she granted Tom the field commission of lieutenant junior grade for his exceptional accomplishments during their battle with the Kazon.
A production memo for Star Trek: The Motion Picture does not include the rank of lieutenant (junior grade). [1].
Lieutenant (junior grade) Eversole's determination in this action was posthumously recognized with the award of the Navy Cross.
At least here they had the firelight to see by, you are henceforth Lieutenant Junior Grade Harrison?
He ranked up from ensign to lieutenant junior grade to commander.
Lieutenant Junior Grade Norma Chambers, nurse, back from the South Pacific.
Cadet School where he became an Ensign Lieutenant Junior Grade.
Assistant Surgeon with the rank of Lieutenant, Junior Grade.
Ensign to Lieutenant junior grade, then full Lieutenant then Lieutenant commander.