They sought to prove their loyalty and patriotism, hoping it would lead to their families' release from internment camps.
The 100th Battalion, composed of former Hawaii National Guard members, had already proven their combat capability and paved the way for more Japanese Americans to enlist in the 442nd.
They joked and reminisced to maintain morale, despite being in bunks stacked five high and having limited space.
They found the idea of fighting in Europe more logical than the Pacific, as it avoided potential confusion over enemy identity.
They saw themselves as fighting for their country's respect and to prove their loyalty, despite facing prejudice and internment.
It marked the joining of forces between two Japanese-American units, with the 100th Battalion already having established a reputation for bravery and sacrifice.
They expressed shock and sorrow, with some struggling to accept the reality of their losses and the harsh conditions of war.
He was nicknamed 'Loco Moco,' meaning 'crazy pigeon,' a combination of 'loco' (crazy) and 'moco' (shortened from his last name, Morioka).
He realized that the fantastical stories his grandfather told were based on real war experiences, which he now had to decipher and possibly alter to save his friend.
It symbolized death, representing the ultimate reward for warriors who had accomplished their tasks and made the ultimate sacrifice.
The battalion heads for Europe. The soldiers spend weeks at sea in bunks stacked five high, and none of them believes that Ken is from the future.
Meanwhile, Ken remembers his childhood with his grandfather – a man whose uniform he is now wearing.
This series is inspired by real events and contains dramatised battle scenes and out-dated racial language.
Cast:
Narrator: Will Sharpe Ken: Akie Kotabe Lieutenant/Bus guard/Texan soldier/Reporter: Freddy Elletson Grandpa Allan/ Mr Yamada: Clyde Kusatsu Emily: Samantha Dakin Little Ken: Hudson Roberts. Mrs Tanaka/Baachan/Shirley/Li: Tamlyn Tomita Nui Louie/Mr Okimura: Aaron Ikeda Barry/Captain Kim/Private Sasaki/Radio man: Derek Mio Shorty: Raiko Gohara Ohta/Captain Minori: Matt McCooey Drill Sergeant/General Dahlquist: Martin McDougal Colonel Pence/Earl Finch/Col Miller: Colin Stinton Sonny: Kurt Kanazawa Boxer/Crooner/Pokey: Conrad Lihilihi
Written by Iris Yamashita Sound design: Richard Gould at Skywalker Sound Recording and mixing: Leon Chambers Original music: Josh Sneesby Consultant: L Stuart Hirai Dramaturg: James Yeatman Broadcast assistant: Teresa Milewski Production co-ordinator: Kate Brook Associate producers: Tim Bell & Rosa Crompton Director: Jessica Dromgoole Producer: Catherine Bailey. Based on an idea by Simon Pitts
A Catherine Bailey production for the BBC World Service