MCRD San Diego drill instructors participate in the graduation ceremony of members of Lima Company's 3rd Recruit Training Battalion, who will become the first women to graduate as U.S. Marines in the 100-year history of Marine Corps Recruiting Depot San Diego, in San Diego, California, U.S., May 6, 2021. REUTERS/Mike Blake

Private First Class Katey Hogan, 18, hands over a platoons carry on flag to her drill instructor as members of Lima Company's 3rd Recruit Training Battalion celebrate the ceremony to become the first women to graduate as U.S. Marines in the 100 year history of Marine Corps Recruiting Depot San Diego, in San Diego, California, U.S., May 6, 2021. REUTERS/Mike Blake

Private First Class Katey Hogan, 18, hands over a platoons carry on flag to her drill instructor as members of Lima Company's 3rd Recruit Training Battalion celebrate the ceremony to become the first women to graduate as U.S. Marines in the 100 year history of Marine Corps Recruiting Depot San Diego, in San Diego, California, U.S., May 6, 2021. REUTERS/Mike Blake

Chief drill instructor Staff Sergeant Amber Staroscik (L) hands recruit Abigail Ragland, 20, her Eagle, Globe and Anchor emblem as recruits from U.S. Marine Corps Recruit Depot San Diego finish the grueling crucible training to become the first ever women Marines trained at Camp Pendleton, California, U.S., April 22, 2021. Picture taken April 22, 2021. REUTERS/Mike Blake

Chief drill instructor staff sergeant Amber Staroscik reads a citation to recruits from U.S. Marine Corps Recruit Depot San Diego, Lima Company, as they participate in the grueling crucible training, with some breaking a barrier to become the first ever women Marines trained at Camp Pendleton, California, U.S., April 21, 2021. Picture taken April 21, 2021. REUTERS/Mike Blake

Chief drill instructor Staff Sergeant Amber Staroscik hands female recruits their Eagle, Globe, and Anchor emblem as female recruits from U.S. Marine Corps Recruit Depot San Diego finish the grueling crucible training to become the first ever women Marines trained at Camp Pendleton, California, U.S., April 22, 2021. REUTERS/Mike Blake

Chief drill instructor Staff Sergeant Amber Staroscik (L) hands recruit Abigail Ragland, 20, her Eagle, Globe, and Anchor emblem as recruits from U.S. Marine Corps Recruit Depot San Diego finish the grueling crucible training to become the first ever women Marines at Camp Pendleton, California, U.S., April 22, 2021. REUTERS/Mike Blake

Chief drill instructor staff Sergeant Amber Staroscik (R) announces her platoon of female recruits from U.S. Marine Corps Recruit Depot San Diego, after they completed the grueling crucible training, alongside male recruits and await to become the first ever women Marines trained at Camp Pendleton, California, U.S., April 22, 2021. REUTERS/Mike Blake

Chief drill instructor Staff Sergeant Amber Staroscik reads off a citation to female recruits from U.S. Marine Corps Recruit Depot San Diego after they finished the grueling crucible training to become the first ever women Marines trained at Camp Pendleton, California, U.S., April 22, 2021. REUTERS/Mike Blake

Chief drill instructor staff sergeant Amber Staroscik reads citation to recruits from U.S. Marine Corps Recruit Depot San Diego, Lima Company, as they participate in the grueling crucible training, breaking a barrier to become the first ever women Marines trained at Camp Pendleton, California, U.S., April 21, 2021. Picture taken April 21, 2021. REUTERS/Mike Blake

Drill instructor Staff Sergeant Ayesha Zantt instructs female recruits at they begin the first ever integrated basic training at Marine Corps Recruiting Depot, San Diego in San Diego, California, U.S., February 9, 2021. Picture taken February 9, 2021. REUTERS/Mike Blake

Drill instructor Staff Sergeant Ayesha Zantt instructs female recruits at they begin the first ever integrated basic training at Marine Corps Recruiting Depot, San Diego in San Diego, California, U.S., February 9, 2021. Picture taken February 9, 2021. REUTERS/Mike Blake TPX IMAGES OF THE DAY

Instructor Philippe Boulanger talks to pilots as they steer a scaled-down model of an ULCS container ship, named the Spirit of Port Revel, during a training course on a lake at the Port Revel Shiphandling Training Centre in Saint-Pierre-de-Bressieux, France, April 19, 2021. Picture taken April 19, 2021. REUTERS/Stephane Mahe

Instructor Philippe Boulanger conducts a training course as a pilot steers a scaled-down model of an ULCS container ship, named the Spirit of Port Revel, on a lake at the Port Revel Shiphandling Training Centre in Saint-Pierre-de-Bressieux, France, April 19, 2021. Picture taken April 19, 2021. REUTERS/Stephane Mahe

Instructor Philippe Boulanger conducts a training course as a pilot steers a scaled-down model of an ULCS container ship, named the Spirit of Port Revel, on a lake at the Port Revel Shiphandling Training Centre in Saint-Pierre-de-Bressieux, France, April 19, 2021. Picture taken April 19, 2021. REUTERS/Stephane Mahe

Instructor Philippe Boulanger conducts a training course as a pilot steers a scaled-down model of an ULCS container ship, named the Spirit of Port Revel, on a lake at the Port Revel Shiphandling Training Centre in Saint-Pierre-de-Bressieux, France, April 19, 2021. Picture taken April 19, 2021. REUTERS/Stephane Mahe

Instructor Philippe Boulanger conducts a training course as a pilot steers a scaled-down model of an ULCS container ship, named the Spirit of Port Revel, on a lake at the Port Revel Shiphandling Training Centre in Saint-Pierre-de-Bressieux, France, April 19, 2021. Picture taken April 19, 2021. REUTERS/Stephane Mahe

Instructor Philippe Boulanger conducts a training course as a pilot steers a scaled-down model of an ULCS container ship, named the Spirit of Port Revel, on a lake at the Port Revel Shiphandling Training Centre in Saint-Pierre-de-Bressieux, France, April 19, 2021. Picture taken April 19, 2021. REUTERS/Stephane Mahe

Instructor Philippe Boulanger conducts a training course as a pilot steers a scaled-down model of an ULCS container ship, named the Spirit of Port Revel, on a lake at the Port Revel Shiphandling Training Centre in Saint-Pierre-de-Bressieux, France, April 19, 2021. Picture taken April 19, 2021. REUTERS/Stephane Mahe

Diving instructor Jesus Maduro, co-owner of Aruba Bob Snorkeling, talks to Reuters, in San Nicolas, Aruba, April 9, 2021. Picture taken April 9, 2021. REUTERS/Luc Cohen

Six degree black belt aikido instructor Tam Ha (R) teaches self-defense to students at Advance Beauty College during the outbreak of coronavirus disease (COVID-19) in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021. REUTERS/Mike Blake

Six degree black belt aikido instructor Tam Ha teaches self-defense to students at Advance Beauty College during the outbreak of the coronavirus disease (COVID-19) in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021. REUTERS/Mike Blake

Six degree black belt aikido instructor Tam Ha (R) leaves after teaching self-defense to students at Advance Beauty College during the outbreak of the coronavirus disease (COVID-19) in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021. REUTERS/Mike Blake

Six degree black belt aikido instructor Tam Ha demonstrates how to get out from under an attacker as he teaches self-defense to students at a beauty college in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021.REUTERS/Mike Blake

Six degree black belt aikido instructor Tam Ha and his assistants bow after teaching self-defense to students at Advance Beauty College during the outbreak of the coronavirus disease (COVID-19) in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021. REUTERS/Mike Blake

Six degree black belt aikido instructor Tam Ha teaches self-defense to students at Advance Beauty College during the outbreak of the coronavirus disease (COVID-19) in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021. REUTERS/Mike Blake

Six degree black belt aikido instructor Tam Ha teaches self-defense to students at Advance Beauty College during the outbreak of the coronavirus disease (COVID-19) in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021. REUTERS/Mike Blake

Six degree black belt aikido instructor Tam Ha teaches self-defense to students at Advance Beauty College during the outbreak of the coronavirus disease (COVID-19) in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021. REUTERS/Mike Blake

Six degree black belt aikido instructor Tam Ha teaches self-defense to students at Advance Beauty College during the outbreak of the coronavirus disease (COVID-19) in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021. REUTERS/Mike Blake

An instructor speaks to reservists of the 130th battalion of the Ukrainian Territorial Defence Forces during military exercises on outskirts of Kyiv, Ukraine April 10, 2021. REUTERS/Valentyn Ogirenko.

Students listen to an instructor at the innovation lab called Gearbox for entrepreneurs and artisans, at the Industrial area in Nairobi, Kenya March 15, 2021. Picture taken March 15, 2021. REUTERS/Jackson Njehia

Use-of-force instructor Minneapolis Police Lieutenant Johnny Mercil answers questions during the seventh day of the trial of former Minneapolis police officer Derek Chauvin for second-degree murder, third-degree murder and second-degree manslaughter in the death of George Floyd in Minneapolis, Minnesota, U.S. April 6, 2021 in a still image from video. Pool via REUTERS

The founder of Bugaku and Samurai martial arts instructor Koshiro Minamoto checks his laptop during an online class for Samurai experience in Tokyo, Japan, April 1, 2021. Picture taken on April 1, 2021. REUTERS/Kim Kyung-Hoon

The founder of Bugaku and Samurai martial arts instructor Koshiro Minamoto demonstrates martial arts during an online class for Samurai experience in Tokyo, Japan, April 1, 2021. Picture taken on April 1, 2021. REUTERS/Kim Kyung-Hoon

The founder of Bugaku and Samurai martial arts instructor Koshiro Minamoto greets his students as he concludes an online class for Samurai experience in Tokyo, Japan, April 1, 2021. Picture taken on April 1, 2021. REUTERS/Kim Kyung-Hoon

The founder of Bugaku and Samurai martial arts instructor Koshiro Minamoto gives explanations about Samurai swords to his students during an online class for Samurai experience in Tokyo, Japan, April 1, 2021. Picture taken on April 1, 2021. REUTERS/Kim Kyung-Hoon

The founder of Bugaku and Samurai martial arts instructor Koshiro Minamoto gives explanations about Samurai armors to his students during an online class for Samurai experience in Tokyo, Japan, April 1, 2021. Picture taken on April 1, 2021. REUTERS/Kim Kyung-Hoon

The founder of Bugaku and Samurai martial arts instructor Koshiro Minamoto holds a tablet as he shows his students a Samurai armor during an online class for Samurai experience in Tokyo, Japan, April 1, 2021. Picture taken on April 1, 2021. REUTERS/Kim Kyung-Hoon

The founder of Bugaku and Samurai martial arts instructor Koshiro Minamoto applauds to his students who practice Samurai martial arts during an online class for Samurai experience in Tokyo, Japan, April 1, 2021. Picture taken on April 1, 2021. REUTERS/Kim Kyung-Hoon

The founder of Bugaku and Samurai martial arts instructor Koshiro Minamoto talks to his students during an online class for Samurai experience in Tokyo, Japan, April 1, 2021. Picture taken on April 1, 2021. REUTERS/Kim Kyung-Hoon

The founder of Bugaku and Samurai martial arts instructor Koshiro Minamoto demonstrates martial arts during an online class for Samurai experience in Tokyo, Japan, April 1, 2021. Picture taken on April 1, 2021. REUTERS/Kim Kyung-Hoon

Tony Mwangi, the founder and Instructor at Drone Space Training Academy prepares a drone at their Zambezi training field in Kiambu, Kenya March 11, 2021. Picture taken March 11, 2021. REUTERS/Thomas Mukoya

A drone instructor trains a student to operate a drone at the Drone Space Training Academy, on the Zambezi training field in Kiambu, Kenya March 11, 2021. Picture taken March 11, 2021. REUTERS/Thomas Mukoya

Tony Mwangi, the founder and Instructor at Drone Space Training Academy prepares a drone at their Zambezi training field in Kiambu, Kenya March 11, 2021. Picture taken March 11, 2021. REUTERS/Thomas Mukoya

Instructors train students to operate drones at the Drone Space Training Academy on the Zambezi training field in Kiambu, Kenya March 11, 2021. Picture taken March 11, 2021. REUTERS/Thomas Mukoya

A drone instructor trains a student how to operate a drone at the Drone Space Training Academy, on the Zambezi training field in Kiambu, Kenya March 11, 2021. Picture taken March 11, 2021. REUTERS/Thomas Mukoya

Ugandan "Captain" Graham Shema, 7, listens to his flight instructor, Simon Wadagu Bruno, about functions of some parts on a Bombardier CRJ900 aircraft at Entebbe International Airport, in the Entebbe, Uganda December 17, 2020. Picture taken December 17, 2020. REUTERS/Elias Biryabarema

Ugandan "Captain" Graham Shema, 7, and his flight instructor, Simon Wadagu Bruno, disembark from a Bombardier CRJ900 aircraft at the Entebbe International Airport, in Entebbe, Uganda December 17, 2020. Picture taken December 17, 2020. REUTERS/Elias Biryabarema

Ugandan "Captain" Graham Shema, 7, and his flight instructor, Simon Wadagu Bruno, walk inside the Bombardier CRJ900 aircraft at the Entebbe International Airport, in Entebbe, Uganda December 17, 2020. Picture taken December 17, 2020. REUTERS/Elias Biryabarema

Ugandan "Captain" Graham Shema, listens to his flight instructor, Simon Wadagu Bruno, about functions of some parts on a Bombardier CRJ900 aircraft at the Entebbe International Airport, in Entebbe, Uganda December 17, 2020. Picture taken December 17, 2020. REUTERS/Elias Biryabarema

A grave digging instructor and actor Tomas Novotny (L) open an empty grave at a training cemetery as a part of Novotny's re-qualification procedure amid the coronavirus disease (COVID-19) outbreak in Prague, Czech Republic, March 9, 2021. Picture taken March 9, 2021. REUTERS/David W Cerny

A grave digging instructor looks at an actor Tomas Novotny (R) opening an empty grave at a training cemetery as a part of Novotny's re-qualification procedure amid the coronavirus disease (COVID-19) outbreak in Prague, Czech Republic, March 9, 2021. Picture taken March 9, 2021. REUTERS/David W Cerny

A grave digging instructor and actor Tomas Novotny (L) carry an empty coffin at a training cemetery as a part of Novotny's re-qualification procedure amid the coronavirus disease (COVID-19) outbreak in Prague, Czech Republic, March 9, 2021. Picture taken March 9, 2021. REUTERS/David W Cerny

Barre and pilates instructor Marcya Nasution takes part in a yoga session at the Hutan Kota by Plataran, in Jakarta, Indonesia, February, 2021. REUTERS/Willy Kurniawan

A girl skis at a makeshift ski slope constructed at a school courtyard as ski instructors get creative during ski resort closures due to the coronavirus disease (COVID-19) restrictions, in Milan, Italy February 25, 2021. REUTERS/Daniele Mascolo

A girl skis at a makeshift ski slope constructed at a school courtyard as ski instructors get creative during ski resort closures due to the coronavirus disease (COVID-19) restrictions, in Milan, Italy February 25, 2021. REUTERS/Daniele Mascolo

A boy skis with help of his instructor at a makeshift ski slope constructed at a school courtyard as ski instructors get creative during ski resort closures due to the coronavirus disease (COVID-19) restrictions, in Milan, Italy February 25, 2021. REUTERS/Daniele Mascolo

School children ski following their instructor at a makeshift ski slope constructed at a school courtyard as ski instructors get creative during ski resort closures due to the coronavirus disease (COVID-19) restrictions, in Milan, Italy February 25, 2021. REUTERS/Daniele Mascolo