Staff reporter Sam Skove shares some of the highlights from his recent trip to Poland, Estonia, and the UK.

Read more from Sam's European trip at any of the links below:

• How a tiny Polish airport became a key node for Western aid to Ukraine
• Polish support for Ukraine brings lessons, but also risks
• EU plans to arm Ukraine bearing fruit, but more is needed, Estonia says
• Estonia plans loitering-munitions unit to hunt enemy air defenses
• Europe's defense spending sluggish despite Ukraine war
• Navies face 'dreadnought moment' as Ukraine destroys more Russian warships, British admiral says
• Ukraine learns to fight with a hodge-podge of foreign artillery
• Beset by Russian airstrikes, Ukraine looks to make its weapons abroad