Kammala jumla mai zuwa:, buƙatar membobin ƙasashe su zo don taimakon kowane memba na memba wanda ke fuskantar hari da makami, an yi amfani da shi a karo na farko kuma kawai bayan hare-haren 11 ga Satumba, bayan da aka tura sojoji zuwa Afghanistan a ƙarƙashin jagorancin NATO na ISAF. Kungiyar ta yi aiki da wasu karin ayyuka tun daga wannan lokacin, gami da tura masu horarwa zuwa Iraki, taimakawa a ayyukan yaki da fashin teku da kuma aiwatar da yankin da ba a tashi ba a shekarar 2011.
Libya bisa ga shawarar Kwamitin Tsaro na Majalisar Dinkin Duniya 1973. Mataki na 4, wanda kawai ya kira shawarwari tsakanin membobin NATO, an yi amfani da shi sau biyar bayan abubuwan da suka faru a yakin Iraqi, yakin basasar Siriya, da kuma hadewar Rasha na Crimea. Wannan haɗuwa ya haifar da mummunar zargi daga ƙasashen NATO da kuma ƙirƙirar sabon rundunar "maki" na sojoji 5,000 a sansanonin Estonia, Lithuania, Latvia, Poland, Romania, da Bulgaria. A taron kolin Wales na shekara ta 2014, shugabannin kasashe mambobin NATO sun yi alkawarin a karon farko da za su kashe akalla kashi 2 cikin dari na yawan kayayyakin cikin gida a kan tsaro nan da shekarar 2024, wanda a baya ya kasance jagora ne kawai. A cikin 2014, 3 kawai daga cikin mambobi 30 na NATO suka cimma wannan burin (ciki har da Amurka); a cikin 2020 wannan ya karu zuwa 11. Tare, a cikin 2020, ƙasashe 29 da ba membobin Amurka ba suna da shekaru shida a jere na haɓaka kashe kuɗaɗen tsaro, wanda ya kawo matsakaicin kuɗin su zuwa 1.73% na GDP. NATO ba ta la'anci tsarkakewar da aka yi a Turkiyya a shekarar 2016 zuwa yanzu. Sakamakon mamayar da Turkiyya ta yi wa yankunan Kurdawa a Siriya, da tsoma bakin Turkiyya a Libya da kuma takaddamar yankunan tekun Cyprus da Turkiyya, akwai alamun rarrabuwa tsakanin Turkiyya da sauran mambobin NATO. Membobin NATO sun yi tsayayya da Yarjejeniyar Ƙuntata Makaman Nukiliya ta Majalisar Dinkin Duniya, yarjejeniya ce da za ta sa a tattauna game da kawar da makaman nukiliya gaba ɗaya, wadda ƙasashe fiye da 120 suka goyi bayanta.