Notes from https://www.barrons.com/amp/articles/treasury-bills-cash-warren-buffett-849dee04

• T-bills outstanding: $6 trillion
• Noncompetitive bids at Treasury auctions is a good proxy for individual demand
• Average noncompetitive bid for T-bill auctions in the past year: $15 billion
• 52-week bill is auctioned every month
• Buffett favors three-month and six-month T-bills.
• T-bills have reinvestment risk

Notes from https://www.washingtonpost.com/world/2024/05/24/russia-jamming-us-weapons-ukraine/

• Excalibur GPS-guided artillery shells
• the High Mobility Artillery Rocket System, or HIMARS