Table:
text: Operation Flintlock (nuclear test)
Operation Flintlock (nuclear test)
United States' Flintlock series tests and detonations
Name_ Location_ Elevation_Height Delivery Purpose Yield
Plaid 2 NTS Area U2r metres (ft) - metres (ft) Underground shaft Weapons development 3.5 kt
Rex NTS Area U20h(e) metres (ft) - metres (ft) Underground shaft Weapons development 19 kt
Red Hot NTS Area U12g.06 metres (ft) - metres (ft) Underground tunnel Weapon effect 2 kt
Cinnamon - 2 (with Finfoot) NTS Area U3dm metres (ft) + 0 Underground shaft Safety experiment less than 20 kt
Finfoot - 1 (with Cinnamon) NTS Area U3du metres (ft) - metres (ft) Underground shaft Weapons development 5 kt
Clymer NTS Area U9ce metres (ft) - metres (ft) Underground shaft Weapons development 3 kt
Purple NTS Area U3ds metres (ft) - metres (ft) Underground shaft Weapons development 7 kt

text: Operation Flintlock (nuclear test)
Operation Flintlock (nuclear test)
United States' Flintlock series tests and detonations
Name_ Location_ Elevation_Height Delivery Purpose Yield
Izzer NTS Area U9bp metres (ft) - metres (ft) Underground shaft Weapons development less than 20 kt
Pongee NTS Area U2ah metres (ft) - metres (ft) Underground shaft Weapons development less than 20 kt
Bronze NTS Area U7f metres (ft) - metres (ft) Underground shaft Weapons development 67 kt
Mauve NTS Area U3dp metres (ft) - metres (ft) Underground shaft Weapons development 18 kt
Ticking NTS Area U9bj metres (ft) - metres (ft) Underground shaft Weapons development 250 t
Centaur NTS Area U2ak metres (ft) - metres (ft) Underground shaft Weapons development 1 kt

text: Operation Flintlock (nuclear test)
Operation Flintlock (nuclear test)
United States' Flintlock series tests and detonations
Name_ Location_ Elevation_Height Delivery Purpose Yield
Moa - 1 (with Screamer) NTS Area U3ed metres (ft) + 0 Underground shaft Weapons development 2.5 kt
Screamer - 2 (with Moa) NTS Area U3dg metres (ft) - metres (ft) Underground shaft Weapon effect 9 kt
Elkhart NTS Area U9bs metres (ft) - metres (ft) Underground shaft Weapons development 6 kt
Long Shot Amichitka Island, Alaska metres (ft) - metres (ft) Underground shaft Joint verification 80 kt
Sepia NTS Area U3en metres (ft) - metres (ft) Underground shaft Weapons development 7 kt
Kermet NTS Area U2c metres (ft) - metres (ft) Underground shaft Weapons development 500 t
Corduroy NTS Area U10k metres (ft) - metres (ft) Underground shaft Weapons development 120 kt

text: Operation Flintlock (nuclear test)
Operation Flintlock (nuclear test)
United States' Flintlock series tests and detonations
Name_ Location_ Elevation_Height Delivery Purpose Yield
Discus Thrower NTS Area U8a metres (ft) - metres (ft) Underground shaft Weapon effect 22 kt
Pile Driver NTS Area U15a.01 metres (ft) - metres (ft) Underground shaft Weapon effect 62 kt
Tan NTS Area U7k metres (ft) - metres (ft) Underground shaft Weapons development 160 kt
Puce NTS Area U3bs metres (ft) - metres (ft) Underground shaft Weapons development less than 20 kt
Double Play NTS Area U16a.03 metres (ft) - metres (ft) Underground shaft Weapon effect less than 20 kt
Kankakee NTS Area U10p metres (ft) - metres (ft) Underground shaft Weapons development 200 kt
Vulcan NTS Area U2bd metres (ft) - metres (ft) Underground shaft Peaceful research 25 kt
Halfbeak NTS Area U19b metres (ft) - metres (ft) Underground shaft Weapons development 365 kt

text: Operation Flintlock (nuclear test)
Operation Flintlock (nuclear test)
United States' Flintlock series tests and detonations
Name_ Location_ Elevation_Height Delivery Purpose Yield
Ochre NTS Area U3ec metres (ft) - metres (ft) Underground shaft Safety experiment less than 20 kt
Traveler NTS Area U2cd metres (ft) - metres (ft) Underground shaft Weapons development 20 kt
Cyclamen NTS Area U3cx metres (ft) - metres (ft) Underground shaft Weapons development 12 kt
Chartreuse NTS Area U19d metres (ft) - metres (ft) Underground shaft Weapons development 73 kt
Tapestry NTS Area U2an metres (ft) - metres (ft) Underground shaft Weapons development 10 kt
Piranha NTS Area U7e metres (ft) - metres (ft) Underground shaft Weapons development 120 kt
Dumont NTS Area U2t metres (ft) - metres (ft) Underground shaft Weapons development 200 kt

text: Operation Flintlock (nuclear test)
Operation Flintlock (nuclear test)
United States' Flintlock series tests and detonations
Name_ Location_ Elevation_Height Delivery Purpose Yield
Emerson NTS Area U2al metres (ft) - metres (ft) Underground shaft Weapons development 3 kt
Buff NTS Area U3dh metres (ft) - metres (ft) Underground shaft Weapons development 51 kt
Maxwell NTS Area U9br metres (ft) - metres (ft) Underground shaft Weapons development less than 20 kt
Lampblack NTS Area U7i metres (ft) - metres (ft) Underground shaft Weapons development 38 kt
Sienna NTS Area U3cj metres (ft) - metres (ft) Underground shaft Weapons development 4 kt
Dovekie NTS Area U3cd metres (ft) - metres (ft) Underground shaft Weapons development 7 kt
Reo NTS Area U10m metres (ft) - metres (ft) Underground shaft Weapons development 150 t

text: Operation Flintlock (nuclear test)
Operation Flintlock (nuclear test)
United States' Flintlock series tests and detonations
Name_ Location_ Elevation_Height Delivery Purpose Yield
Templar NTS Area U9bt metres (ft) - metres (ft) Underground shaft Peaceful research 370 t
Lime NTS Area U7j metres (ft) - metres (ft) Underground shaft Weapons development less than 20 kt
Stutz NTS Area U2ca metres (ft) - metres (ft) Underground shaft Weapons development 5 kt
Tomato NTS Area U3ek metres (ft) - metres (ft) Underground shaft Weapons development 6 kt
Duryea NTS Area U20a1 metres (ft) - metres (ft) Underground shaft Weapons development 70 kt
Fenton NTS Area U2m1 metres (ft) - metres (ft) Underground shaft Weapons development 1.4 kt
Pin Stripe NTS Area U11b metres (ft) - metres (ft) Underground shaft Weapon effect 5 kt

Question: What is the yield in the NTS area U2R if the purpose is weapons development as part of Operation Flintlock (nuclear test)?